Home / 31,543.92-47,176.40-28,058.40

Finding the Fourth Proportional to 31,543.92, 47,176.40 and 28,058.40

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Solution

The fourth proportional to 31,543.92, 47,176.40 and 28,058.40 is: 41,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.92 : 47,176.40 = 28,058.40 : x
  2. Step 2: Convert to fraction form
    31,543.92/47,176.40 = 28,058.40/x
  3. Step 3: Cross multiply
    31,543.92x = 47,176.40 × 28,058.40
  4. Step 4: Simplify right side
    31,543.92x = 1,323,694,301.76
  5. Step 5: Solve for x
    x = 1,323,694,301.76/31,543.92
  6. Step 6: Final answer
    x = 41,963.53

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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.