Home / 54,789.50-75,609.60-29,639

Finding the Fourth Proportional to 54,789.50, 75,609.60 and 29,639

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Solution

The fourth proportional to 54,789.50, 75,609.60 and 29,639 is: 40,901.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.50 : 75,609.60 = 29,639 : x
  2. Step 2: Convert to fraction form
    54,789.50/75,609.60 = 29,639/x
  3. Step 3: Cross multiply
    54,789.50x = 75,609.60 × 29,639
  4. Step 4: Simplify right side
    54,789.50x = 2,240,992,934.40
  5. Step 5: Solve for x
    x = 2,240,992,934.40/54,789.50
  6. Step 6: Final answer
    x = 40,901.87

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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.