Home / 40,207.60-60,311.40-25,433.20

Finding the Fourth Proportional to 40,207.60, 60,311.40 and 25,433.20

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Solution

The fourth proportional to 40,207.60, 60,311.40 and 25,433.20 is: 38,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,207.60 : 60,311.40 = 25,433.20 : x
  2. Step 2: Convert to fraction form
    40,207.60/60,311.40 = 25,433.20/x
  3. Step 3: Cross multiply
    40,207.60x = 60,311.40 × 25,433.20
  4. Step 4: Simplify right side
    40,207.60x = 1,533,911,898.48
  5. Step 5: Solve for x
    x = 1,533,911,898.48/40,207.60
  6. Step 6: Final answer
    x = 38,149.80

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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.