Home / 40,345.40-60,445.20-32,909.60

Finding the Fourth Proportional to 40,345.40, 60,445.20 and 32,909.60

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Solution

The fourth proportional to 40,345.40, 60,445.20 and 32,909.60 is: 49,304.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,345.40 : 60,445.20 = 32,909.60 : x
  2. Step 2: Convert to fraction form
    40,345.40/60,445.20 = 32,909.60/x
  3. Step 3: Cross multiply
    40,345.40x = 60,445.20 × 32,909.60
  4. Step 4: Simplify right side
    40,345.40x = 1,989,227,353.92
  5. Step 5: Solve for x
    x = 1,989,227,353.92/40,345.40
  6. Step 6: Final answer
    x = 49,304.94

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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.