Home / 47,724.14-71,595.42-18,139.66

Finding the Fourth Proportional to 47,724.14, 71,595.42 and 18,139.66

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Solution

The fourth proportional to 47,724.14, 71,595.42 and 18,139.66 is: 27,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,724.14 : 71,595.42 = 18,139.66 : x
  2. Step 2: Convert to fraction form
    47,724.14/71,595.42 = 18,139.66/x
  3. Step 3: Cross multiply
    47,724.14x = 71,595.42 × 18,139.66
  4. Step 4: Simplify right side
    47,724.14x = 1,298,716,576.36
  5. Step 5: Solve for x
    x = 1,298,716,576.36/47,724.14
  6. Step 6: Final answer
    x = 27,212.99

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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.