Home / 48,921.60-73,360.80-19,329.60

Finding the Fourth Proportional to 48,921.60, 73,360.80 and 19,329.60

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Solution

The fourth proportional to 48,921.60, 73,360.80 and 19,329.60 is: 28,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,921.60 : 73,360.80 = 19,329.60 : x
  2. Step 2: Convert to fraction form
    48,921.60/73,360.80 = 19,329.60/x
  3. Step 3: Cross multiply
    48,921.60x = 73,360.80 × 19,329.60
  4. Step 4: Simplify right side
    48,921.60x = 1,418,034,919.68
  5. Step 5: Solve for x
    x = 1,418,034,919.68/48,921.60
  6. Step 6: Final answer
    x = 28,985.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.