Home / 54,549.25-75,278.42-30,675.71

Finding the Fourth Proportional to 54,549.25, 75,278.42 and 30,675.71

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Solution

The fourth proportional to 54,549.25, 75,278.42 and 30,675.71 is: 42,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,549.25 : 75,278.42 = 30,675.71 : x
  2. Step 2: Convert to fraction form
    54,549.25/75,278.42 = 30,675.71/x
  3. Step 3: Cross multiply
    54,549.25x = 75,278.42 × 30,675.71
  4. Step 4: Simplify right side
    54,549.25x = 2,309,218,981.18
  5. Step 5: Solve for x
    x = 2,309,218,981.18/54,549.25
  6. Step 6: Final answer
    x = 42,332.74

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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.