Home / 40,079.12-60,132.50-17,907.80

Finding the Fourth Proportional to 40,079.12, 60,132.50 and 17,907.80

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Solution

The fourth proportional to 40,079.12, 60,132.50 and 17,907.80 is: 26,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.12 : 60,132.50 = 17,907.80 : x
  2. Step 2: Convert to fraction form
    40,079.12/60,132.50 = 17,907.80/x
  3. Step 3: Cross multiply
    40,079.12x = 60,132.50 × 17,907.80
  4. Step 4: Simplify right side
    40,079.12x = 1,076,840,393.30
  5. Step 5: Solve for x
    x = 1,076,840,393.30/40,079.12
  6. Step 6: Final answer
    x = 26,867.87

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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.