Home / 23,211.92-34,740.86-21,136.70

Finding the Fourth Proportional to 23,211.92, 34,740.86 and 21,136.70

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Solution

The fourth proportional to 23,211.92, 34,740.86 and 21,136.70 is: 31,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.92 : 34,740.86 = 21,136.70 : x
  2. Step 2: Convert to fraction form
    23,211.92/34,740.86 = 21,136.70/x
  3. Step 3: Cross multiply
    23,211.92x = 34,740.86 × 21,136.70
  4. Step 4: Simplify right side
    23,211.92x = 734,306,856.17
  5. Step 5: Solve for x
    x = 734,306,856.17/23,211.92
  6. Step 6: Final answer
    x = 31,634.91

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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.