Home / 40,687.91-56,151.39-22,781.85

Finding the Fourth Proportional to 40,687.91, 56,151.39 and 22,781.85

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Solution

The fourth proportional to 40,687.91, 56,151.39 and 22,781.85 is: 31,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,687.91 : 56,151.39 = 22,781.85 : x
  2. Step 2: Convert to fraction form
    40,687.91/56,151.39 = 22,781.85/x
  3. Step 3: Cross multiply
    40,687.91x = 56,151.39 × 22,781.85
  4. Step 4: Simplify right side
    40,687.91x = 1,279,232,263.51
  5. Step 5: Solve for x
    x = 1,279,232,263.51/40,687.91
  6. Step 6: Final answer
    x = 31,440.11

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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.