Home / 40,753.32-61,139.16-14,458.02

Finding the Fourth Proportional to 40,753.32, 61,139.16 and 14,458.02

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Solution

The fourth proportional to 40,753.32, 61,139.16 and 14,458.02 is: 21,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,753.32 : 61,139.16 = 14,458.02 : x
  2. Step 2: Convert to fraction form
    40,753.32/61,139.16 = 14,458.02/x
  3. Step 3: Cross multiply
    40,753.32x = 61,139.16 × 14,458.02
  4. Step 4: Simplify right side
    40,753.32x = 883,951,198.06
  5. Step 5: Solve for x
    x = 883,951,198.06/40,753.32
  6. Step 6: Final answer
    x = 21,690.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.