Home / 33,708.80-50,563.20-21,242.90

Finding the Fourth Proportional to 33,708.80, 50,563.20 and 21,242.90

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Solution

The fourth proportional to 33,708.80, 50,563.20 and 21,242.90 is: 31,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,708.80 : 50,563.20 = 21,242.90 : x
  2. Step 2: Convert to fraction form
    33,708.80/50,563.20 = 21,242.90/x
  3. Step 3: Cross multiply
    33,708.80x = 50,563.20 × 21,242.90
  4. Step 4: Simplify right side
    33,708.80x = 1,074,109,001.28
  5. Step 5: Solve for x
    x = 1,074,109,001.28/33,708.80
  6. Step 6: Final answer
    x = 31,864.35

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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.