Home / 39,219.24-54,116.46-22,449

Finding the Fourth Proportional to 39,219.24, 54,116.46 and 22,449

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Solution

The fourth proportional to 39,219.24, 54,116.46 and 22,449 is: 30,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.24 : 54,116.46 = 22,449 : x
  2. Step 2: Convert to fraction form
    39,219.24/54,116.46 = 22,449/x
  3. Step 3: Cross multiply
    39,219.24x = 54,116.46 × 22,449
  4. Step 4: Simplify right side
    39,219.24x = 1,214,860,410.54
  5. Step 5: Solve for x
    x = 1,214,860,410.54/39,219.24
  6. Step 6: Final answer
    x = 30,976.13

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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.