Home / 72,022.53-99,391.08-39,757.14

Finding the Fourth Proportional to 72,022.53, 99,391.08 and 39,757.14

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Solution

The fourth proportional to 72,022.53, 99,391.08 and 39,757.14 is: 54,864.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,022.53 : 99,391.08 = 39,757.14 : x
  2. Step 2: Convert to fraction form
    72,022.53/99,391.08 = 39,757.14/x
  3. Step 3: Cross multiply
    72,022.53x = 99,391.08 × 39,757.14
  4. Step 4: Simplify right side
    72,022.53x = 3,951,505,231.40
  5. Step 5: Solve for x
    x = 3,951,505,231.40/72,022.53
  6. Step 6: Final answer
    x = 54,864.85

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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.