Home / 31,862.40-47,793.60-17,100.15

Finding the Fourth Proportional to 31,862.40, 47,793.60 and 17,100.15

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Solution

The fourth proportional to 31,862.40, 47,793.60 and 17,100.15 is: 25,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.40 : 47,793.60 = 17,100.15 : x
  2. Step 2: Convert to fraction form
    31,862.40/47,793.60 = 17,100.15/x
  3. Step 3: Cross multiply
    31,862.40x = 47,793.60 × 17,100.15
  4. Step 4: Simplify right side
    31,862.40x = 817,277,729.04
  5. Step 5: Solve for x
    x = 817,277,729.04/31,862.40
  6. Step 6: Final answer
    x = 25,650.23

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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.