Home / 40,781.35-56,274.48-22,872.88

Finding the Fourth Proportional to 40,781.35, 56,274.48 and 22,872.88

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Solution

The fourth proportional to 40,781.35, 56,274.48 and 22,872.88 is: 31,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781.35 : 56,274.48 = 22,872.88 : x
  2. Step 2: Convert to fraction form
    40,781.35/56,274.48 = 22,872.88/x
  3. Step 3: Cross multiply
    40,781.35x = 56,274.48 × 22,872.88
  4. Step 4: Simplify right side
    40,781.35x = 1,287,159,428.10
  5. Step 5: Solve for x
    x = 1,287,159,428.10/40,781.35
  6. Step 6: Final answer
    x = 31,562.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.