Home / 47,378.09-71,066.15-15,790.44

Finding the Fourth Proportional to 47,378.09, 71,066.15 and 15,790.44

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Solution

The fourth proportional to 47,378.09, 71,066.15 and 15,790.44 is: 23,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,378.09 : 71,066.15 = 15,790.44 : x
  2. Step 2: Convert to fraction form
    47,378.09/71,066.15 = 15,790.44/x
  3. Step 3: Cross multiply
    47,378.09x = 71,066.15 × 15,790.44
  4. Step 4: Simplify right side
    47,378.09x = 1,122,165,777.61
  5. Step 5: Solve for x
    x = 1,122,165,777.61/47,378.09
  6. Step 6: Final answer
    x = 23,685.33

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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.