Home / 54,221.68-74,825.17-30,348.34

Finding the Fourth Proportional to 54,221.68, 74,825.17 and 30,348.34

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Solution

The fourth proportional to 54,221.68, 74,825.17 and 30,348.34 is: 41,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221.68 : 74,825.17 = 30,348.34 : x
  2. Step 2: Convert to fraction form
    54,221.68/74,825.17 = 30,348.34/x
  3. Step 3: Cross multiply
    54,221.68x = 74,825.17 × 30,348.34
  4. Step 4: Simplify right side
    54,221.68x = 2,270,819,699.72
  5. Step 5: Solve for x
    x = 2,270,819,699.72/54,221.68
  6. Step 6: Final answer
    x = 41,880.29

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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.