Home / 54,911.20-75,778.77-31,037.97

Finding the Fourth Proportional to 54,911.20, 75,778.77 and 31,037.97

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Solution

The fourth proportional to 54,911.20, 75,778.77 and 31,037.97 is: 42,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911.20 : 75,778.77 = 31,037.97 : x
  2. Step 2: Convert to fraction form
    54,911.20/75,778.77 = 31,037.97/x
  3. Step 3: Cross multiply
    54,911.20x = 75,778.77 × 31,037.97
  4. Step 4: Simplify right side
    54,911.20x = 2,352,019,189.90
  5. Step 5: Solve for x
    x = 2,352,019,189.90/54,911.20
  6. Step 6: Final answer
    x = 42,833.14

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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.