Home / 40,308.40-60,520.20-22,812.40

Finding the Fourth Proportional to 40,308.40, 60,520.20 and 22,812.40

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Solution

The fourth proportional to 40,308.40, 60,520.20 and 22,812.40 is: 34,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,308.40 : 60,520.20 = 22,812.40 : x
  2. Step 2: Convert to fraction form
    40,308.40/60,520.20 = 22,812.40/x
  3. Step 3: Cross multiply
    40,308.40x = 60,520.20 × 22,812.40
  4. Step 4: Simplify right side
    40,308.40x = 1,380,611,010.48
  5. Step 5: Solve for x
    x = 1,380,611,010.48/40,308.40
  6. Step 6: Final answer
    x = 34,251.20

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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.