Home / 38,677.12-53,372.62-21,910.24

Finding the Fourth Proportional to 38,677.12, 53,372.62 and 21,910.24

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Solution

The fourth proportional to 38,677.12, 53,372.62 and 21,910.24 is: 30,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,677.12 : 53,372.62 = 21,910.24 : x
  2. Step 2: Convert to fraction form
    38,677.12/53,372.62 = 21,910.24/x
  3. Step 3: Cross multiply
    38,677.12x = 53,372.62 × 21,910.24
  4. Step 4: Simplify right side
    38,677.12x = 1,169,406,913.63
  5. Step 5: Solve for x
    x = 1,169,406,913.63/38,677.12
  6. Step 6: Final answer
    x = 30,235.11

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Half scale
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Double scale
Find fourth proportional to 38,678.12, 53,374 and 21,911.24
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.