Home / 67,371.11-101,056.65-20,617.91

Finding the Fourth Proportional to 67,371.11, 101,056.65 and 20,617.91

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Solution

The fourth proportional to 67,371.11, 101,056.65 and 20,617.91 is: 30,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,371.11 : 101,056.65 = 20,617.91 : x
  2. Step 2: Convert to fraction form
    67,371.11/101,056.65 = 20,617.91/x
  3. Step 3: Cross multiply
    67,371.11x = 101,056.65 × 20,617.91
  4. Step 4: Simplify right side
    67,371.11x = 2,083,576,409.32
  5. Step 5: Solve for x
    x = 2,083,576,409.32/67,371.11
  6. Step 6: Final answer
    x = 30,926.86

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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.