Home / 47,120.94-70,691.84-15,540.76

Finding the Fourth Proportional to 47,120.94, 70,691.84 and 15,540.76

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Solution

The fourth proportional to 47,120.94, 70,691.84 and 15,540.76 is: 23,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.94 : 70,691.84 = 15,540.76 : x
  2. Step 2: Convert to fraction form
    47,120.94/70,691.84 = 15,540.76/x
  3. Step 3: Cross multiply
    47,120.94x = 70,691.84 × 15,540.76
  4. Step 4: Simplify right side
    47,120.94x = 1,098,604,988.34
  5. Step 5: Solve for x
    x = 1,098,604,988.34/47,120.94
  6. Step 6: Final answer
    x = 23,314.58

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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.