Home / 47,939.61-71,875.35-18,332.49

Finding the Fourth Proportional to 47,939.61, 71,875.35 and 18,332.49

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Solution

The fourth proportional to 47,939.61, 71,875.35 and 18,332.49 is: 27,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939.61 : 71,875.35 = 18,332.49 : x
  2. Step 2: Convert to fraction form
    47,939.61/71,875.35 = 18,332.49/x
  3. Step 3: Cross multiply
    47,939.61x = 71,875.35 × 18,332.49
  4. Step 4: Simplify right side
    47,939.61x = 1,317,654,135.12
  5. Step 5: Solve for x
    x = 1,317,654,135.12/47,939.61
  6. Step 6: Final answer
    x = 27,485.71

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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.