Home / 47,623.68-71,440.32-17,646

Finding the Fourth Proportional to 47,623.68, 71,440.32 and 17,646

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Solution

The fourth proportional to 47,623.68, 71,440.32 and 17,646 is: 26,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,623.68 : 71,440.32 = 17,646 : x
  2. Step 2: Convert to fraction form
    47,623.68/71,440.32 = 17,646/x
  3. Step 3: Cross multiply
    47,623.68x = 71,440.32 × 17,646
  4. Step 4: Simplify right side
    47,623.68x = 1,260,635,886.72
  5. Step 5: Solve for x
    x = 1,260,635,886.72/47,623.68
  6. Step 6: Final answer
    x = 26,470.78

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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.