Home / 40,933.60-61,400.40-34,712.80

Finding the Fourth Proportional to 40,933.60, 61,400.40 and 34,712.80

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Solution

The fourth proportional to 40,933.60, 61,400.40 and 34,712.80 is: 52,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,933.60 : 61,400.40 = 34,712.80 : x
  2. Step 2: Convert to fraction form
    40,933.60/61,400.40 = 34,712.80/x
  3. Step 3: Cross multiply
    40,933.60x = 61,400.40 × 34,712.80
  4. Step 4: Simplify right side
    40,933.60x = 2,131,379,805.12
  5. Step 5: Solve for x
    x = 2,131,379,805.12/40,933.60
  6. Step 6: Final answer
    x = 52,069.20

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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.