Home / 40,129.40-60,201.30-16,758.20

Finding the Fourth Proportional to 40,129.40, 60,201.30 and 16,758.20

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Solution

The fourth proportional to 40,129.40, 60,201.30 and 16,758.20 is: 25,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.40 : 60,201.30 = 16,758.20 : x
  2. Step 2: Convert to fraction form
    40,129.40/60,201.30 = 16,758.20/x
  3. Step 3: Cross multiply
    40,129.40x = 60,201.30 × 16,758.20
  4. Step 4: Simplify right side
    40,129.40x = 1,008,865,425.66
  5. Step 5: Solve for x
    x = 1,008,865,425.66/40,129.40
  6. Step 6: Final answer
    x = 25,140.31

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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.