Home / 47,824.80-71,769.60-31,144.20

Finding the Fourth Proportional to 47,824.80, 71,769.60 and 31,144.20

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Solution

The fourth proportional to 47,824.80, 71,769.60 and 31,144.20 is: 46,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,824.80 : 71,769.60 = 31,144.20 : x
  2. Step 2: Convert to fraction form
    47,824.80/71,769.60 = 31,144.20/x
  3. Step 3: Cross multiply
    47,824.80x = 71,769.60 × 31,144.20
  4. Step 4: Simplify right side
    47,824.80x = 2,235,206,776.32
  5. Step 5: Solve for x
    x = 2,235,206,776.32/47,824.80
  6. Step 6: Final answer
    x = 46,737.40

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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.