Home / 47,428.92-71,143.64-14,148.72

Finding the Fourth Proportional to 47,428.92, 71,143.64 and 14,148.72

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Solution

The fourth proportional to 47,428.92, 71,143.64 and 14,148.72 is: 21,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,428.92 : 71,143.64 = 14,148.72 : x
  2. Step 2: Convert to fraction form
    47,428.92/71,143.64 = 14,148.72/x
  3. Step 3: Cross multiply
    47,428.92x = 71,143.64 × 14,148.72
  4. Step 4: Simplify right side
    47,428.92x = 1,006,591,442.14
  5. Step 5: Solve for x
    x = 1,006,591,442.14/47,428.92
  6. Step 6: Final answer
    x = 21,223.16

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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.