Home / 39,757.60-59,636.40-25,760.80

Finding the Fourth Proportional to 39,757.60, 59,636.40 and 25,760.80

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Solution

The fourth proportional to 39,757.60, 59,636.40 and 25,760.80 is: 38,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.60 : 59,636.40 = 25,760.80 : x
  2. Step 2: Convert to fraction form
    39,757.60/59,636.40 = 25,760.80/x
  3. Step 3: Cross multiply
    39,757.60x = 59,636.40 × 25,760.80
  4. Step 4: Simplify right side
    39,757.60x = 1,536,281,373.12
  5. Step 5: Solve for x
    x = 1,536,281,373.12/39,757.60
  6. Step 6: Final answer
    x = 38,641.20

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1.5x scale

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.