Home / 40,137.58-55,385.22-23,141.71

Finding the Fourth Proportional to 40,137.58, 55,385.22 and 23,141.71

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Solution

The fourth proportional to 40,137.58, 55,385.22 and 23,141.71 is: 31,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.58 : 55,385.22 = 23,141.71 : x
  2. Step 2: Convert to fraction form
    40,137.58/55,385.22 = 23,141.71/x
  3. Step 3: Cross multiply
    40,137.58x = 55,385.22 × 23,141.71
  4. Step 4: Simplify right side
    40,137.58x = 1,281,708,699.53
  5. Step 5: Solve for x
    x = 1,281,708,699.53/40,137.58
  6. Step 6: Final answer
    x = 31,932.88

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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.