Home / 38,198.69-52,714.14-21,205.55

Finding the Fourth Proportional to 38,198.69, 52,714.14 and 21,205.55

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Solution

The fourth proportional to 38,198.69, 52,714.14 and 21,205.55 is: 29,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.69 : 52,714.14 = 21,205.55 : x
  2. Step 2: Convert to fraction form
    38,198.69/52,714.14 = 21,205.55/x
  3. Step 3: Cross multiply
    38,198.69x = 52,714.14 × 21,205.55
  4. Step 4: Simplify right side
    38,198.69x = 1,117,832,206.51
  5. Step 5: Solve for x
    x = 1,117,832,206.51/38,198.69
  6. Step 6: Final answer
    x = 29,263.63

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Half scale
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Double scale
Find fourth proportional to 38,199.69, 52,715.52 and 21,206.55
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.