Home / 47,747.76-71,621.64-18,158.76

Finding the Fourth Proportional to 47,747.76, 71,621.64 and 18,158.76

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Solution

The fourth proportional to 47,747.76, 71,621.64 and 18,158.76 is: 27,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,747.76 : 71,621.64 = 18,158.76 : x
  2. Step 2: Convert to fraction form
    47,747.76/71,621.64 = 18,158.76/x
  3. Step 3: Cross multiply
    47,747.76x = 71,621.64 × 18,158.76
  4. Step 4: Simplify right side
    47,747.76x = 1,300,560,171.57
  5. Step 5: Solve for x
    x = 1,300,560,171.57/47,747.76
  6. Step 6: Final answer
    x = 27,238.14

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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.