Home / 54,645.23-75,408.38-30,445.62

Finding the Fourth Proportional to 54,645.23, 75,408.38 and 30,445.62

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Solution

The fourth proportional to 54,645.23, 75,408.38 and 30,445.62 is: 42,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.23 : 75,408.38 = 30,445.62 : x
  2. Step 2: Convert to fraction form
    54,645.23/75,408.38 = 30,445.62/x
  3. Step 3: Cross multiply
    54,645.23x = 75,408.38 × 30,445.62
  4. Step 4: Simplify right side
    54,645.23x = 2,295,854,882.30
  5. Step 5: Solve for x
    x = 2,295,854,882.30/54,645.23
  6. Step 6: Final answer
    x = 42,013.82

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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.