Home / 48,145.25-72,218.05-13,084.90

Finding the Fourth Proportional to 48,145.25, 72,218.05 and 13,084.90

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Solution

The fourth proportional to 48,145.25, 72,218.05 and 13,084.90 is: 19,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,145.25 : 72,218.05 = 13,084.90 : x
  2. Step 2: Convert to fraction form
    48,145.25/72,218.05 = 13,084.90/x
  3. Step 3: Cross multiply
    48,145.25x = 72,218.05 × 13,084.90
  4. Step 4: Simplify right side
    48,145.25x = 944,965,749.19
  5. Step 5: Solve for x
    x = 944,965,749.19/48,145.25
  6. Step 6: Final answer
    x = 19,627.39

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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.