Home / 39,318.86-58,987.60-17,136.20

Finding the Fourth Proportional to 39,318.86, 58,987.60 and 17,136.20

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Solution

The fourth proportional to 39,318.86, 58,987.60 and 17,136.20 is: 25,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318.86 : 58,987.60 = 17,136.20 : x
  2. Step 2: Convert to fraction form
    39,318.86/58,987.60 = 17,136.20/x
  3. Step 3: Cross multiply
    39,318.86x = 58,987.60 × 17,136.20
  4. Step 4: Simplify right side
    39,318.86x = 1,010,822,973.34
  5. Step 5: Solve for x
    x = 1,010,822,973.34/39,318.86
  6. Step 6: Final answer
    x = 25,708.35

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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.