Home / 51,554.76-71,145.54-29,198.76

Finding the Fourth Proportional to 51,554.76, 71,145.54 and 29,198.76

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Solution

The fourth proportional to 51,554.76, 71,145.54 and 29,198.76 is: 40,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,554.76 : 71,145.54 = 29,198.76 : x
  2. Step 2: Convert to fraction form
    51,554.76/71,145.54 = 29,198.76/x
  3. Step 3: Cross multiply
    51,554.76x = 71,145.54 × 29,198.76
  4. Step 4: Simplify right side
    51,554.76x = 2,077,361,547.53
  5. Step 5: Solve for x
    x = 2,077,361,547.53/51,554.76
  6. Step 6: Final answer
    x = 40,294.27

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Half scale
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Double scale
Find fourth proportional to 51,555.76, 71,146.92 and 29,199.76
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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.