Home / 54,510.57-75,221.67-30,635.70

Finding the Fourth Proportional to 54,510.57, 75,221.67 and 30,635.70

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Solution

The fourth proportional to 54,510.57, 75,221.67 and 30,635.70 is: 42,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,510.57 : 75,221.67 = 30,635.70 : x
  2. Step 2: Convert to fraction form
    54,510.57/75,221.67 = 30,635.70/x
  3. Step 3: Cross multiply
    54,510.57x = 75,221.67 × 30,635.70
  4. Step 4: Simplify right side
    54,510.57x = 2,304,468,515.62
  5. Step 5: Solve for x
    x = 2,304,468,515.62/54,510.57
  6. Step 6: Final answer
    x = 42,275.63

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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.