Home / 54,584.88-75,326.52-30,711.60

Finding the Fourth Proportional to 54,584.88, 75,326.52 and 30,711.60

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Solution

The fourth proportional to 54,584.88, 75,326.52 and 30,711.60 is: 42,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,584.88 : 75,326.52 = 30,711.60 : x
  2. Step 2: Convert to fraction form
    54,584.88/75,326.52 = 30,711.60/x
  3. Step 3: Cross multiply
    54,584.88x = 75,326.52 × 30,711.60
  4. Step 4: Simplify right side
    54,584.88x = 2,313,397,951.63
  5. Step 5: Solve for x
    x = 2,313,397,951.63/54,584.88
  6. Step 6: Final answer
    x = 42,381.66

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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.