Home / 39,824.10-59,744.79-12,121.38

Finding the Fourth Proportional to 39,824.10, 59,744.79 and 12,121.38

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Solution

The fourth proportional to 39,824.10, 59,744.79 and 12,121.38 is: 18,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,824.10 : 59,744.79 = 12,121.38 : x
  2. Step 2: Convert to fraction form
    39,824.10/59,744.79 = 12,121.38/x
  3. Step 3: Cross multiply
    39,824.10x = 59,744.79 × 12,121.38
  4. Step 4: Simplify right side
    39,824.10x = 724,189,302.61
  5. Step 5: Solve for x
    x = 724,189,302.61/39,824.10
  6. Step 6: Final answer
    x = 18,184.70

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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.