Home / 38,539.38-57,814.58-11,887.62

Finding the Fourth Proportional to 38,539.38, 57,814.58 and 11,887.62

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Solution

The fourth proportional to 38,539.38, 57,814.58 and 11,887.62 is: 17,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539.38 : 57,814.58 = 11,887.62 : x
  2. Step 2: Convert to fraction form
    38,539.38/57,814.58 = 11,887.62/x
  3. Step 3: Cross multiply
    38,539.38x = 57,814.58 × 11,887.62
  4. Step 4: Simplify right side
    38,539.38x = 687,277,757.50
  5. Step 5: Solve for x
    x = 687,277,757.50/38,539.38
  6. Step 6: Final answer
    x = 17,833.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.