Home / 42,291.82-63,434.13-17,324.74

Finding the Fourth Proportional to 42,291.82, 63,434.13 and 17,324.74

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Solution

The fourth proportional to 42,291.82, 63,434.13 and 17,324.74 is: 25,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,291.82 : 63,434.13 = 17,324.74 : x
  2. Step 2: Convert to fraction form
    42,291.82/63,434.13 = 17,324.74/x
  3. Step 3: Cross multiply
    42,291.82x = 63,434.13 × 17,324.74
  4. Step 4: Simplify right side
    42,291.82x = 1,098,979,809.38
  5. Step 5: Solve for x
    x = 1,098,979,809.38/42,291.82
  6. Step 6: Final answer
    x = 25,985.64

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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.