Home / 39,132.36-58,700.16-15,759

Finding the Fourth Proportional to 39,132.36, 58,700.16 and 15,759

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Solution

The fourth proportional to 39,132.36, 58,700.16 and 15,759 is: 23,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.36 : 58,700.16 = 15,759 : x
  2. Step 2: Convert to fraction form
    39,132.36/58,700.16 = 15,759/x
  3. Step 3: Cross multiply
    39,132.36x = 58,700.16 × 15,759
  4. Step 4: Simplify right side
    39,132.36x = 925,055,821.44
  5. Step 5: Solve for x
    x = 925,055,821.44/39,132.36
  6. Step 6: Final answer
    x = 23,639.15

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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.