Home / 40,701.18-61,002.57-20,968.98

Finding the Fourth Proportional to 40,701.18, 61,002.57 and 20,968.98

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Solution

The fourth proportional to 40,701.18, 61,002.57 and 20,968.98 is: 31,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,701.18 : 61,002.57 = 20,968.98 : x
  2. Step 2: Convert to fraction form
    40,701.18/61,002.57 = 20,968.98/x
  3. Step 3: Cross multiply
    40,701.18x = 61,002.57 × 20,968.98
  4. Step 4: Simplify right side
    40,701.18x = 1,279,161,260.42
  5. Step 5: Solve for x
    x = 1,279,161,260.42/40,701.18
  6. Step 6: Final answer
    x = 31,428.11

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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.