Home / 40,931.76-56,484.16-22,781.97

Finding the Fourth Proportional to 40,931.76, 56,484.16 and 22,781.97

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Solution

The fourth proportional to 40,931.76, 56,484.16 and 22,781.97 is: 31,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931.76 : 56,484.16 = 22,781.97 : x
  2. Step 2: Convert to fraction form
    40,931.76/56,484.16 = 22,781.97/x
  3. Step 3: Cross multiply
    40,931.76x = 56,484.16 × 22,781.97
  4. Step 4: Simplify right side
    40,931.76x = 1,286,820,438.60
  5. Step 5: Solve for x
    x = 1,286,820,438.60/40,931.76
  6. Step 6: Final answer
    x = 31,438.19

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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.