Home / 54,216.75-74,819.49-30,345.63

Finding the Fourth Proportional to 54,216.75, 74,819.49 and 30,345.63

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Solution

The fourth proportional to 54,216.75, 74,819.49 and 30,345.63 is: 41,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216.75 : 74,819.49 = 30,345.63 : x
  2. Step 2: Convert to fraction form
    54,216.75/74,819.49 = 30,345.63/x
  3. Step 3: Cross multiply
    54,216.75x = 74,819.49 × 30,345.63
  4. Step 4: Simplify right side
    54,216.75x = 2,270,444,560.33
  5. Step 5: Solve for x
    x = 2,270,444,560.33/54,216.75
  6. Step 6: Final answer
    x = 41,877.18

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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.