Home / 40,385.27-55,733.31-22,479.14

Finding the Fourth Proportional to 40,385.27, 55,733.31 and 22,479.14

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Solution

The fourth proportional to 40,385.27, 55,733.31 and 22,479.14 is: 31,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.27 : 55,733.31 = 22,479.14 : x
  2. Step 2: Convert to fraction form
    40,385.27/55,733.31 = 22,479.14/x
  3. Step 3: Cross multiply
    40,385.27x = 55,733.31 × 22,479.14
  4. Step 4: Simplify right side
    40,385.27x = 1,252,836,878.15
  5. Step 5: Solve for x
    x = 1,252,836,878.15/40,385.27
  6. Step 6: Final answer
    x = 31,022.12

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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.