Home / 47,447.20-71,122.20-27,715.60

Finding the Fourth Proportional to 47,447.20, 71,122.20 and 27,715.60

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Solution

The fourth proportional to 47,447.20, 71,122.20 and 27,715.60 is: 41,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,447.20 : 71,122.20 = 27,715.60 : x
  2. Step 2: Convert to fraction form
    47,447.20/71,122.20 = 27,715.60/x
  3. Step 3: Cross multiply
    47,447.20x = 71,122.20 × 27,715.60
  4. Step 4: Simplify right side
    47,447.20x = 1,971,194,446.32
  5. Step 5: Solve for x
    x = 1,971,194,446.32/47,447.20
  6. Step 6: Final answer
    x = 41,545.01

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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.