Home / 48,877.32-67,450-28,736.52

Finding the Fourth Proportional to 48,877.32, 67,450 and 28,736.52

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Solution

The fourth proportional to 48,877.32, 67,450 and 28,736.52 is: 39,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,877.32 : 67,450 = 28,736.52 : x
  2. Step 2: Convert to fraction form
    48,877.32/67,450 = 28,736.52/x
  3. Step 3: Cross multiply
    48,877.32x = 67,450 × 28,736.52
  4. Step 4: Simplify right side
    48,877.32x = 1,938,278,274
  5. Step 5: Solve for x
    x = 1,938,278,274/48,877.32
  6. Step 6: Final answer
    x = 39,655.99

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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.