Home / 40,701.06-61,002.38-20,968.85

Finding the Fourth Proportional to 40,701.06, 61,002.38 and 20,968.85

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Solution

The fourth proportional to 40,701.06, 61,002.38 and 20,968.85 is: 31,427.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,701.06 : 61,002.38 = 20,968.85 : x
  2. Step 2: Convert to fraction form
    40,701.06/61,002.38 = 20,968.85/x
  3. Step 3: Cross multiply
    40,701.06x = 61,002.38 × 20,968.85
  4. Step 4: Simplify right side
    40,701.06x = 1,279,149,651.02
  5. Step 5: Solve for x
    x = 1,279,149,651.02/40,701.06
  6. Step 6: Final answer
    x = 31,427.92

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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.