Home / 40,372.64-55,713.12-22,468.28

Finding the Fourth Proportional to 40,372.64, 55,713.12 and 22,468.28

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Solution

The fourth proportional to 40,372.64, 55,713.12 and 22,468.28 is: 31,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372.64 : 55,713.12 = 22,468.28 : x
  2. Step 2: Convert to fraction form
    40,372.64/55,713.12 = 22,468.28/x
  3. Step 3: Cross multiply
    40,372.64x = 55,713.12 × 22,468.28
  4. Step 4: Simplify right side
    40,372.64x = 1,251,777,979.83
  5. Step 5: Solve for x
    x = 1,251,777,979.83/40,372.64
  6. Step 6: Final answer
    x = 31,005.60

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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.