Home / 54,977.08-75,868.38-31,103.26

Finding the Fourth Proportional to 54,977.08, 75,868.38 and 31,103.26

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Solution

The fourth proportional to 54,977.08, 75,868.38 and 31,103.26 is: 42,922.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,977.08 : 75,868.38 = 31,103.26 : x
  2. Step 2: Convert to fraction form
    54,977.08/75,868.38 = 31,103.26/x
  3. Step 3: Cross multiply
    54,977.08x = 75,868.38 × 31,103.26
  4. Step 4: Simplify right side
    54,977.08x = 2,359,753,948.92
  5. Step 5: Solve for x
    x = 2,359,753,948.92/54,977.08
  6. Step 6: Final answer
    x = 42,922.50

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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.