Home / 51,248.20-70,715.44-28,584.53

Finding the Fourth Proportional to 51,248.20, 70,715.44 and 28,584.53

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Solution

The fourth proportional to 51,248.20, 70,715.44 and 28,584.53 is: 39,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.20 : 70,715.44 = 28,584.53 : x
  2. Step 2: Convert to fraction form
    51,248.20/70,715.44 = 28,584.53/x
  3. Step 3: Cross multiply
    51,248.20x = 70,715.44 × 28,584.53
  4. Step 4: Simplify right side
    51,248.20x = 2,021,367,721.47
  5. Step 5: Solve for x
    x = 2,021,367,721.47/51,248.20
  6. Step 6: Final answer
    x = 39,442.71

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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.