Home / 39,738.80-59,606.18-10,154.87

Finding the Fourth Proportional to 39,738.80, 59,606.18 and 10,154.87

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Solution

The fourth proportional to 39,738.80, 59,606.18 and 10,154.87 is: 15,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,738.80 : 59,606.18 = 10,154.87 : x
  2. Step 2: Convert to fraction form
    39,738.80/59,606.18 = 10,154.87/x
  3. Step 3: Cross multiply
    39,738.80x = 59,606.18 × 10,154.87
  4. Step 4: Simplify right side
    39,738.80x = 605,292,921.90
  5. Step 5: Solve for x
    x = 605,292,921.90/39,738.80
  6. Step 6: Final answer
    x = 15,231.79

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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.