Home / 54,680.33-75,459.12-30,807.38

Finding the Fourth Proportional to 54,680.33, 75,459.12 and 30,807.38

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Solution

The fourth proportional to 54,680.33, 75,459.12 and 30,807.38 is: 42,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,680.33 : 75,459.12 = 30,807.38 : x
  2. Step 2: Convert to fraction form
    54,680.33/75,459.12 = 30,807.38/x
  3. Step 3: Cross multiply
    54,680.33x = 75,459.12 × 30,807.38
  4. Step 4: Simplify right side
    54,680.33x = 2,324,697,784.31
  5. Step 5: Solve for x
    x = 2,324,697,784.31/54,680.33
  6. Step 6: Final answer
    x = 42,514.33

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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.