Home / 39,143.20-58,702.92-11,061.04

Finding the Fourth Proportional to 39,143.20, 58,702.92 and 11,061.04

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Solution

The fourth proportional to 39,143.20, 58,702.92 and 11,061.04 is: 16,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.20 : 58,702.92 = 11,061.04 : x
  2. Step 2: Convert to fraction form
    39,143.20/58,702.92 = 11,061.04/x
  3. Step 3: Cross multiply
    39,143.20x = 58,702.92 × 11,061.04
  4. Step 4: Simplify right side
    39,143.20x = 649,315,346.24
  5. Step 5: Solve for x
    x = 649,315,346.24/39,143.20
  6. Step 6: Final answer
    x = 16,588.20

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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.