Home / 40,689.76-56,150.13-22,781.74

Finding the Fourth Proportional to 40,689.76, 56,150.13 and 22,781.74

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Solution

The fourth proportional to 40,689.76, 56,150.13 and 22,781.74 is: 31,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,689.76 : 56,150.13 = 22,781.74 : x
  2. Step 2: Convert to fraction form
    40,689.76/56,150.13 = 22,781.74/x
  3. Step 3: Cross multiply
    40,689.76x = 56,150.13 × 22,781.74
  4. Step 4: Simplify right side
    40,689.76x = 1,279,197,662.63
  5. Step 5: Solve for x
    x = 1,279,197,662.63/40,689.76
  6. Step 6: Final answer
    x = 31,437.83

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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.