Home / 39,820.23-54,951.48-27,879.21

Finding the Fourth Proportional to 39,820.23, 54,951.48 and 27,879.21

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Solution

The fourth proportional to 39,820.23, 54,951.48 and 27,879.21 is: 38,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.23 : 54,951.48 = 27,879.21 : x
  2. Step 2: Convert to fraction form
    39,820.23/54,951.48 = 27,879.21/x
  3. Step 3: Cross multiply
    39,820.23x = 54,951.48 × 27,879.21
  4. Step 4: Simplify right side
    39,820.23x = 1,532,003,850.73
  5. Step 5: Solve for x
    x = 1,532,003,850.73/39,820.23
  6. Step 6: Final answer
    x = 38,473.00

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1.5x scale

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.