Home / 54,411.74-75,084.54-30,211.46

Finding the Fourth Proportional to 54,411.74, 75,084.54 and 30,211.46

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Solution

The fourth proportional to 54,411.74, 75,084.54 and 30,211.46 is: 41,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,411.74 : 75,084.54 = 30,211.46 : x
  2. Step 2: Convert to fraction form
    54,411.74/75,084.54 = 30,211.46/x
  3. Step 3: Cross multiply
    54,411.74x = 75,084.54 × 30,211.46
  4. Step 4: Simplify right side
    54,411.74x = 2,268,413,243.47
  5. Step 5: Solve for x
    x = 2,268,413,243.47/54,411.74
  6. Step 6: Final answer
    x = 41,689.78

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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.