Home / 40,700.93-61,002.19-20,968.73

Finding the Fourth Proportional to 40,700.93, 61,002.19 and 20,968.73

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Solution

The fourth proportional to 40,700.93, 61,002.19 and 20,968.73 is: 31,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,700.93 : 61,002.19 = 20,968.73 : x
  2. Step 2: Convert to fraction form
    40,700.93/61,002.19 = 20,968.73/x
  3. Step 3: Cross multiply
    40,700.93x = 61,002.19 × 20,968.73
  4. Step 4: Simplify right side
    40,700.93x = 1,279,138,172.72
  5. Step 5: Solve for x
    x = 1,279,138,172.72/40,700.93
  6. Step 6: Final answer
    x = 31,427.74

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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.