Home / 42,659.76-63,962.24-17,717.04

Finding the Fourth Proportional to 42,659.76, 63,962.24 and 17,717.04

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Solution

The fourth proportional to 42,659.76, 63,962.24 and 17,717.04 is: 26,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,659.76 : 63,962.24 = 17,717.04 : x
  2. Step 2: Convert to fraction form
    42,659.76/63,962.24 = 17,717.04/x
  3. Step 3: Cross multiply
    42,659.76x = 63,962.24 × 17,717.04
  4. Step 4: Simplify right side
    42,659.76x = 1,133,221,564.57
  5. Step 5: Solve for x
    x = 1,133,221,564.57/42,659.76
  6. Step 6: Final answer
    x = 26,564.18

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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.