Home / 39,429.40-59,144.10-25,432.60

Finding the Fourth Proportional to 39,429.40, 59,144.10 and 25,432.60

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Solution

The fourth proportional to 39,429.40, 59,144.10 and 25,432.60 is: 38,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,429.40 : 59,144.10 = 25,432.60 : x
  2. Step 2: Convert to fraction form
    39,429.40/59,144.10 = 25,432.60/x
  3. Step 3: Cross multiply
    39,429.40x = 59,144.10 × 25,432.60
  4. Step 4: Simplify right side
    39,429.40x = 1,504,188,237.66
  5. Step 5: Solve for x
    x = 1,504,188,237.66/39,429.40
  6. Step 6: Final answer
    x = 38,148.90

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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.