Home / 47,825.40-71,738.10-14,545.20

Finding the Fourth Proportional to 47,825.40, 71,738.10 and 14,545.20

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Solution

The fourth proportional to 47,825.40, 71,738.10 and 14,545.20 is: 21,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,825.40 : 71,738.10 = 14,545.20 : x
  2. Step 2: Convert to fraction form
    47,825.40/71,738.10 = 14,545.20/x
  3. Step 3: Cross multiply
    47,825.40x = 71,738.10 × 14,545.20
  4. Step 4: Simplify right side
    47,825.40x = 1,043,445,012.12
  5. Step 5: Solve for x
    x = 1,043,445,012.12/47,825.40
  6. Step 6: Final answer
    x = 21,817.80

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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.