Home / 54,289.20-74,922.17-30,423.57

Finding the Fourth Proportional to 54,289.20, 74,922.17 and 30,423.57

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Solution

The fourth proportional to 54,289.20, 74,922.17 and 30,423.57 is: 41,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289.20 : 74,922.17 = 30,423.57 : x
  2. Step 2: Convert to fraction form
    54,289.20/74,922.17 = 30,423.57/x
  3. Step 3: Cross multiply
    54,289.20x = 74,922.17 × 30,423.57
  4. Step 4: Simplify right side
    54,289.20x = 2,279,399,450.47
  5. Step 5: Solve for x
    x = 2,279,399,450.47/54,289.20
  6. Step 6: Final answer
    x = 41,986.24

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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.