Home / 47,944.52-71,916.72-12,884.16

Finding the Fourth Proportional to 47,944.52, 71,916.72 and 12,884.16

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Solution

The fourth proportional to 47,944.52, 71,916.72 and 12,884.16 is: 19,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,944.52 : 71,916.72 = 12,884.16 : x
  2. Step 2: Convert to fraction form
    47,944.52/71,916.72 = 12,884.16/x
  3. Step 3: Cross multiply
    47,944.52x = 71,916.72 × 12,884.16
  4. Step 4: Simplify right side
    47,944.52x = 926,586,527.16
  5. Step 5: Solve for x
    x = 926,586,527.16/47,944.52
  6. Step 6: Final answer
    x = 19,326.22

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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.