Home / 47,915.40-71,869.74-17,923.92

Finding the Fourth Proportional to 47,915.40, 71,869.74 and 17,923.92

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Solution

The fourth proportional to 47,915.40, 71,869.74 and 17,923.92 is: 26,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,915.40 : 71,869.74 = 17,923.92 : x
  2. Step 2: Convert to fraction form
    47,915.40/71,869.74 = 17,923.92/x
  3. Step 3: Cross multiply
    47,915.40x = 71,869.74 × 17,923.92
  4. Step 4: Simplify right side
    47,915.40x = 1,288,187,470.18
  5. Step 5: Solve for x
    x = 1,288,187,470.18/47,915.40
  6. Step 6: Final answer
    x = 26,884.62

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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.