Home / 31,453.40-47,141.22-15,862.52

Finding the Fourth Proportional to 31,453.40, 47,141.22 and 15,862.52

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Solution

The fourth proportional to 31,453.40, 47,141.22 and 15,862.52 is: 23,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.40 : 47,141.22 = 15,862.52 : x
  2. Step 2: Convert to fraction form
    31,453.40/47,141.22 = 15,862.52/x
  3. Step 3: Cross multiply
    31,453.40x = 47,141.22 × 15,862.52
  4. Step 4: Simplify right side
    31,453.40x = 747,778,545.07
  5. Step 5: Solve for x
    x = 747,778,545.07/31,453.40
  6. Step 6: Final answer
    x = 23,774.17

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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.