Home / 39,729.20-59,626.20-38,433.20

Finding the Fourth Proportional to 39,729.20, 59,626.20 and 38,433.20

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Solution

The fourth proportional to 39,729.20, 59,626.20 and 38,433.20 is: 57,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.20 : 59,626.20 = 38,433.20 : x
  2. Step 2: Convert to fraction form
    39,729.20/59,626.20 = 38,433.20/x
  3. Step 3: Cross multiply
    39,729.20x = 59,626.20 × 38,433.20
  4. Step 4: Simplify right side
    39,729.20x = 2,291,625,669.84
  5. Step 5: Solve for x
    x = 2,291,625,669.84/39,729.20
  6. Step 6: Final answer
    x = 57,681.14

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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.