Home / 54,671.24-75,445.88-30,805.61

Finding the Fourth Proportional to 54,671.24, 75,445.88 and 30,805.61

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Solution

The fourth proportional to 54,671.24, 75,445.88 and 30,805.61 is: 42,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,671.24 : 75,445.88 = 30,805.61 : x
  2. Step 2: Convert to fraction form
    54,671.24/75,445.88 = 30,805.61/x
  3. Step 3: Cross multiply
    54,671.24x = 75,445.88 × 30,805.61
  4. Step 4: Simplify right side
    54,671.24x = 2,324,155,824.13
  5. Step 5: Solve for x
    x = 2,324,155,824.13/54,671.24
  6. Step 6: Final answer
    x = 42,511.49

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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.