Home / 31,627.92-47,371.88-20,500.94

Finding the Fourth Proportional to 31,627.92, 47,371.88 and 20,500.94

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Solution

The fourth proportional to 31,627.92, 47,371.88 and 20,500.94 is: 30,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.92 : 47,371.88 = 20,500.94 : x
  2. Step 2: Convert to fraction form
    31,627.92/47,371.88 = 20,500.94/x
  3. Step 3: Cross multiply
    31,627.92x = 47,371.88 × 20,500.94
  4. Step 4: Simplify right side
    31,627.92x = 971,168,069.57
  5. Step 5: Solve for x
    x = 971,168,069.57/31,627.92
  6. Step 6: Final answer
    x = 30,706.04

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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.