Home / 40,614.32-60,921.48-21,909.80

Finding the Fourth Proportional to 40,614.32, 60,921.48 and 21,909.80

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Solution

The fourth proportional to 40,614.32, 60,921.48 and 21,909.80 is: 32,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,614.32 : 60,921.48 = 21,909.80 : x
  2. Step 2: Convert to fraction form
    40,614.32/60,921.48 = 21,909.80/x
  3. Step 3: Cross multiply
    40,614.32x = 60,921.48 × 21,909.80
  4. Step 4: Simplify right side
    40,614.32x = 1,334,777,442.50
  5. Step 5: Solve for x
    x = 1,334,777,442.50/40,614.32
  6. Step 6: Final answer
    x = 32,864.70

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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.