Home / 47,512.81-71,285.52-17,939.10

Finding the Fourth Proportional to 47,512.81, 71,285.52 and 17,939.10

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Solution

The fourth proportional to 47,512.81, 71,285.52 and 17,939.10 is: 26,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,512.81 : 71,285.52 = 17,939.10 : x
  2. Step 2: Convert to fraction form
    47,512.81/71,285.52 = 17,939.10/x
  3. Step 3: Cross multiply
    47,512.81x = 71,285.52 × 17,939.10
  4. Step 4: Simplify right side
    47,512.81x = 1,278,798,305.52
  5. Step 5: Solve for x
    x = 1,278,798,305.52/47,512.81
  6. Step 6: Final answer
    x = 26,914.81

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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.