Home / 67,931.72-101,899.89-18,016.86

Finding the Fourth Proportional to 67,931.72, 101,899.89 and 18,016.86

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Solution

The fourth proportional to 67,931.72, 101,899.89 and 18,016.86 is: 27,025.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,931.72 : 101,899.89 = 18,016.86 : x
  2. Step 2: Convert to fraction form
    67,931.72/101,899.89 = 18,016.86/x
  3. Step 3: Cross multiply
    67,931.72x = 101,899.89 × 18,016.86
  4. Step 4: Simplify right side
    67,931.72x = 1,835,916,551.24
  5. Step 5: Solve for x
    x = 1,835,916,551.24/67,931.72
  6. Step 6: Final answer
    x = 27,025.91

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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.