Home / 42,655.77-63,956.25-17,713.02

Finding the Fourth Proportional to 42,655.77, 63,956.25 and 17,713.02

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Solution

The fourth proportional to 42,655.77, 63,956.25 and 17,713.02 is: 26,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,655.77 : 63,956.25 = 17,713.02 : x
  2. Step 2: Convert to fraction form
    42,655.77/63,956.25 = 17,713.02/x
  3. Step 3: Cross multiply
    42,655.77x = 63,956.25 × 17,713.02
  4. Step 4: Simplify right side
    42,655.77x = 1,132,858,335.38
  5. Step 5: Solve for x
    x = 1,132,858,335.38/42,655.77
  6. Step 6: Final answer
    x = 26,558.15

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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.