Home / 54,414.76-75,091.62-30,541

Finding the Fourth Proportional to 54,414.76, 75,091.62 and 30,541

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Solution

The fourth proportional to 54,414.76, 75,091.62 and 30,541 is: 42,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,414.76 : 75,091.62 = 30,541 : x
  2. Step 2: Convert to fraction form
    54,414.76/75,091.62 = 30,541/x
  3. Step 3: Cross multiply
    54,414.76x = 75,091.62 × 30,541
  4. Step 4: Simplify right side
    54,414.76x = 2,293,373,166.42
  5. Step 5: Solve for x
    x = 2,293,373,166.42/54,414.76
  6. Step 6: Final answer
    x = 42,146.16

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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.