Home / 48,693.76-67,198.56-28,563.52

Finding the Fourth Proportional to 48,693.76, 67,198.56 and 28,563.52

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Solution

The fourth proportional to 48,693.76, 67,198.56 and 28,563.52 is: 39,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,693.76 : 67,198.56 = 28,563.52 : x
  2. Step 2: Convert to fraction form
    48,693.76/67,198.56 = 28,563.52/x
  3. Step 3: Cross multiply
    48,693.76x = 67,198.56 × 28,563.52
  4. Step 4: Simplify right side
    48,693.76x = 1,919,427,412.53
  5. Step 5: Solve for x
    x = 1,919,427,412.53/48,693.76
  6. Step 6: Final answer
    x = 39,418.34

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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.