Home / 39,738.53-59,570.73-13,424.87

Finding the Fourth Proportional to 39,738.53, 59,570.73 and 13,424.87

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Solution

The fourth proportional to 39,738.53, 59,570.73 and 13,424.87 is: 20,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,738.53 : 59,570.73 = 13,424.87 : x
  2. Step 2: Convert to fraction form
    39,738.53/59,570.73 = 13,424.87/x
  3. Step 3: Cross multiply
    39,738.53x = 59,570.73 × 13,424.87
  4. Step 4: Simplify right side
    39,738.53x = 799,729,008.20
  5. Step 5: Solve for x
    x = 799,729,008.20/39,738.53
  6. Step 6: Final answer
    x = 20,124.78

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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.