Home / 54,790.60-75,542.50-45,729

Finding the Fourth Proportional to 54,790.60, 75,542.50 and 45,729

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Solution

The fourth proportional to 54,790.60, 75,542.50 and 45,729 is: 63,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,790.60 : 75,542.50 = 45,729 : x
  2. Step 2: Convert to fraction form
    54,790.60/75,542.50 = 45,729/x
  3. Step 3: Cross multiply
    54,790.60x = 75,542.50 × 45,729
  4. Step 4: Simplify right side
    54,790.60x = 3,454,482,982.50
  5. Step 5: Solve for x
    x = 3,454,482,982.50/54,790.60
  6. Step 6: Final answer
    x = 63,048.83

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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.