Home / 56,711.41-85,063.02-27,121.30

Finding the Fourth Proportional to 56,711.41, 85,063.02 and 27,121.30

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Solution

The fourth proportional to 56,711.41, 85,063.02 and 27,121.30 is: 40,679.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,711.41 : 85,063.02 = 27,121.30 : x
  2. Step 2: Convert to fraction form
    56,711.41/85,063.02 = 27,121.30/x
  3. Step 3: Cross multiply
    56,711.41x = 85,063.02 × 27,121.30
  4. Step 4: Simplify right side
    56,711.41x = 2,307,019,684.33
  5. Step 5: Solve for x
    x = 2,307,019,684.33/56,711.41
  6. Step 6: Final answer
    x = 40,679.99

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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.