Home / 48,177.70-66,514.40-31,439.86

Finding the Fourth Proportional to 48,177.70, 66,514.40 and 31,439.86

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Solution

The fourth proportional to 48,177.70, 66,514.40 and 31,439.86 is: 43,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,177.70 : 66,514.40 = 31,439.86 : x
  2. Step 2: Convert to fraction form
    48,177.70/66,514.40 = 31,439.86/x
  3. Step 3: Cross multiply
    48,177.70x = 66,514.40 × 31,439.86
  4. Step 4: Simplify right side
    48,177.70x = 2,091,203,592.54
  5. Step 5: Solve for x
    x = 2,091,203,592.54/48,177.70
  6. Step 6: Final answer
    x = 43,406.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.