Home / 54,977.43-75,873.47-31,108.70

Finding the Fourth Proportional to 54,977.43, 75,873.47 and 31,108.70

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Solution

The fourth proportional to 54,977.43, 75,873.47 and 31,108.70 is: 42,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,977.43 : 75,873.47 = 31,108.70 : x
  2. Step 2: Convert to fraction form
    54,977.43/75,873.47 = 31,108.70/x
  3. Step 3: Cross multiply
    54,977.43x = 75,873.47 × 31,108.70
  4. Step 4: Simplify right side
    54,977.43x = 2,360,325,016.19
  5. Step 5: Solve for x
    x = 2,360,325,016.19/54,977.43
  6. Step 6: Final answer
    x = 42,932.62

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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.