Home / 54,172.29-74,761.58-30,301.18

Finding the Fourth Proportional to 54,172.29, 74,761.58 and 30,301.18

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Solution

The fourth proportional to 54,172.29, 74,761.58 and 30,301.18 is: 41,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.29 : 74,761.58 = 30,301.18 : x
  2. Step 2: Convert to fraction form
    54,172.29/74,761.58 = 30,301.18/x
  3. Step 3: Cross multiply
    54,172.29x = 74,761.58 × 30,301.18
  4. Step 4: Simplify right side
    54,172.29x = 2,265,364,092.66
  5. Step 5: Solve for x
    x = 2,265,364,092.66/54,172.29
  6. Step 6: Final answer
    x = 41,817.76

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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.