Home / 47,436.80-71,155.20-41,292.80

Finding the Fourth Proportional to 47,436.80, 71,155.20 and 41,292.80

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Solution

The fourth proportional to 47,436.80, 71,155.20 and 41,292.80 is: 61,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,436.80 : 71,155.20 = 41,292.80 : x
  2. Step 2: Convert to fraction form
    47,436.80/71,155.20 = 41,292.80/x
  3. Step 3: Cross multiply
    47,436.80x = 71,155.20 × 41,292.80
  4. Step 4: Simplify right side
    47,436.80x = 2,938,197,442.56
  5. Step 5: Solve for x
    x = 2,938,197,442.56/47,436.80
  6. Step 6: Final answer
    x = 61,939.20

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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.