Home / 39,976.52-55,116.26-32,780.04

Finding the Fourth Proportional to 39,976.52, 55,116.26 and 32,780.04

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Solution

The fourth proportional to 39,976.52, 55,116.26 and 32,780.04 is: 45,194.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.52 : 55,116.26 = 32,780.04 : x
  2. Step 2: Convert to fraction form
    39,976.52/55,116.26 = 32,780.04/x
  3. Step 3: Cross multiply
    39,976.52x = 55,116.26 × 32,780.04
  4. Step 4: Simplify right side
    39,976.52x = 1,806,713,207.45
  5. Step 5: Solve for x
    x = 1,806,713,207.45/39,976.52
  6. Step 6: Final answer
    x = 45,194.36

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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.