Home / 57,403.53-86,102.91-19,972.08

Finding the Fourth Proportional to 57,403.53, 86,102.91 and 19,972.08

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Solution

The fourth proportional to 57,403.53, 86,102.91 and 19,972.08 is: 29,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,403.53 : 86,102.91 = 19,972.08 : x
  2. Step 2: Convert to fraction form
    57,403.53/86,102.91 = 19,972.08/x
  3. Step 3: Cross multiply
    57,403.53x = 86,102.91 × 19,972.08
  4. Step 4: Simplify right side
    57,403.53x = 1,719,654,206.75
  5. Step 5: Solve for x
    x = 1,719,654,206.75/57,403.53
  6. Step 6: Final answer
    x = 29,957.29

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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.