Home / 40,330.40-55,654.68-22,425.76

Finding the Fourth Proportional to 40,330.40, 55,654.68 and 22,425.76

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Solution

The fourth proportional to 40,330.40, 55,654.68 and 22,425.76 is: 30,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.40 : 55,654.68 = 22,425.76 : x
  2. Step 2: Convert to fraction form
    40,330.40/55,654.68 = 22,425.76/x
  3. Step 3: Cross multiply
    40,330.40x = 55,654.68 × 22,425.76
  4. Step 4: Simplify right side
    40,330.40x = 1,248,098,496.56
  5. Step 5: Solve for x
    x = 1,248,098,496.56/40,330.40
  6. Step 6: Final answer
    x = 30,946.84

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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.