Home / 69,126.77-103,691.52-21,740.86

Finding the Fourth Proportional to 69,126.77, 103,691.52 and 21,740.86

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Solution

The fourth proportional to 69,126.77, 103,691.52 and 21,740.86 is: 32,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,126.77 : 103,691.52 = 21,740.86 : x
  2. Step 2: Convert to fraction form
    69,126.77/103,691.52 = 21,740.86/x
  3. Step 3: Cross multiply
    69,126.77x = 103,691.52 × 21,740.86
  4. Step 4: Simplify right side
    69,126.77x = 2,254,342,735.98
  5. Step 5: Solve for x
    x = 2,254,342,735.98/69,126.77
  6. Step 6: Final answer
    x = 32,611.72

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1.5x scale

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.