Home / 48,449.11-72,673.70-13,388.80

Finding the Fourth Proportional to 48,449.11, 72,673.70 and 13,388.80

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Solution

The fourth proportional to 48,449.11, 72,673.70 and 13,388.80 is: 20,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,449.11 : 72,673.70 = 13,388.80 : x
  2. Step 2: Convert to fraction form
    48,449.11/72,673.70 = 13,388.80/x
  3. Step 3: Cross multiply
    48,449.11x = 72,673.70 × 13,388.80
  4. Step 4: Simplify right side
    48,449.11x = 973,013,634.56
  5. Step 5: Solve for x
    x = 973,013,634.56/48,449.11
  6. Step 6: Final answer
    x = 20,083.21

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1.5x scale

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.