Home / 36,895.20-55,335.60-11,929.20

Finding the Fourth Proportional to 36,895.20, 55,335.60 and 11,929.20

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Solution

The fourth proportional to 36,895.20, 55,335.60 and 11,929.20 is: 17,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,895.20 : 55,335.60 = 11,929.20 : x
  2. Step 2: Convert to fraction form
    36,895.20/55,335.60 = 11,929.20/x
  3. Step 3: Cross multiply
    36,895.20x = 55,335.60 × 11,929.20
  4. Step 4: Simplify right side
    36,895.20x = 660,109,439.52
  5. Step 5: Solve for x
    x = 660,109,439.52/36,895.20
  6. Step 6: Final answer
    x = 17,891.47

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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.