Home / 42,660.48-63,963.38-17,717.75

Finding the Fourth Proportional to 42,660.48, 63,963.38 and 17,717.75

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Solution

The fourth proportional to 42,660.48, 63,963.38 and 17,717.75 is: 26,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,660.48 : 63,963.38 = 17,717.75 : x
  2. Step 2: Convert to fraction form
    42,660.48/63,963.38 = 17,717.75/x
  3. Step 3: Cross multiply
    42,660.48x = 63,963.38 × 17,717.75
  4. Step 4: Simplify right side
    42,660.48x = 1,133,286,856.18
  5. Step 5: Solve for x
    x = 1,133,286,856.18/42,660.48
  6. Step 6: Final answer
    x = 26,565.26

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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.