Home / 39,553.12-59,330.44-18,487.38

Finding the Fourth Proportional to 39,553.12, 59,330.44 and 18,487.38

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Solution

The fourth proportional to 39,553.12, 59,330.44 and 18,487.38 is: 27,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,553.12 : 59,330.44 = 18,487.38 : x
  2. Step 2: Convert to fraction form
    39,553.12/59,330.44 = 18,487.38/x
  3. Step 3: Cross multiply
    39,553.12x = 59,330.44 × 18,487.38
  4. Step 4: Simplify right side
    39,553.12x = 1,096,864,389.85
  5. Step 5: Solve for x
    x = 1,096,864,389.85/39,553.12
  6. Step 6: Final answer
    x = 27,731.43

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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.