Home / 54,522.21-75,247.38-30,648.38

Finding the Fourth Proportional to 54,522.21, 75,247.38 and 30,648.38

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Solution

The fourth proportional to 54,522.21, 75,247.38 and 30,648.38 is: 42,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,522.21 : 75,247.38 = 30,648.38 : x
  2. Step 2: Convert to fraction form
    54,522.21/75,247.38 = 30,648.38/x
  3. Step 3: Cross multiply
    54,522.21x = 75,247.38 × 30,648.38
  4. Step 4: Simplify right side
    54,522.21x = 2,306,209,920.01
  5. Step 5: Solve for x
    x = 2,306,209,920.01/54,522.21
  6. Step 6: Final answer
    x = 42,298.54

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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.