Home / 47,377.89-71,074.14-15,777.12

Finding the Fourth Proportional to 47,377.89, 71,074.14 and 15,777.12

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Solution

The fourth proportional to 47,377.89, 71,074.14 and 15,777.12 is: 23,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377.89 : 71,074.14 = 15,777.12 : x
  2. Step 2: Convert to fraction form
    47,377.89/71,074.14 = 15,777.12/x
  3. Step 3: Cross multiply
    47,377.89x = 71,074.14 × 15,777.12
  4. Step 4: Simplify right side
    47,377.89x = 1,121,345,235.68
  5. Step 5: Solve for x
    x = 1,121,345,235.68/47,377.89
  6. Step 6: Final answer
    x = 23,668.11

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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.