Home / 54,977.04-75,867.84-31,103.52

Finding the Fourth Proportional to 54,977.04, 75,867.84 and 31,103.52

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Solution

The fourth proportional to 54,977.04, 75,867.84 and 31,103.52 is: 42,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,977.04 : 75,867.84 = 31,103.52 : x
  2. Step 2: Convert to fraction form
    54,977.04/75,867.84 = 31,103.52/x
  3. Step 3: Cross multiply
    54,977.04x = 75,867.84 × 31,103.52
  4. Step 4: Simplify right side
    54,977.04x = 2,359,756,878.80
  5. Step 5: Solve for x
    x = 2,359,756,878.80/54,977.04
  6. Step 6: Final answer
    x = 42,922.59

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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.