Home / 48,057.28-66,301.45-30,145.75

Finding the Fourth Proportional to 48,057.28, 66,301.45 and 30,145.75

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Solution

The fourth proportional to 48,057.28, 66,301.45 and 30,145.75 is: 41,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,057.28 : 66,301.45 = 30,145.75 : x
  2. Step 2: Convert to fraction form
    48,057.28/66,301.45 = 30,145.75/x
  3. Step 3: Cross multiply
    48,057.28x = 66,301.45 × 30,145.75
  4. Step 4: Simplify right side
    48,057.28x = 1,998,706,936.34
  5. Step 5: Solve for x
    x = 1,998,706,936.34/48,057.28
  6. Step 6: Final answer
    x = 41,590.10

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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.