Home / 47,419.50-71,105.55-15,818.56

Finding the Fourth Proportional to 47,419.50, 71,105.55 and 15,818.56

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Solution

The fourth proportional to 47,419.50, 71,105.55 and 15,818.56 is: 23,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,419.50 : 71,105.55 = 15,818.56 : x
  2. Step 2: Convert to fraction form
    47,419.50/71,105.55 = 15,818.56/x
  3. Step 3: Cross multiply
    47,419.50x = 71,105.55 × 15,818.56
  4. Step 4: Simplify right side
    47,419.50x = 1,124,787,409.01
  5. Step 5: Solve for x
    x = 1,124,787,409.01/47,419.50
  6. Step 6: Final answer
    x = 23,719.93

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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.