Home / 20,029.06-30,044.28-6,881.32

Finding the Fourth Proportional to 20,029.06, 30,044.28 and 6,881.32

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Solution

The fourth proportional to 20,029.06, 30,044.28 and 6,881.32 is: 10,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.06 : 30,044.28 = 6,881.32 : x
  2. Step 2: Convert to fraction form
    20,029.06/30,044.28 = 6,881.32/x
  3. Step 3: Cross multiply
    20,029.06x = 30,044.28 × 6,881.32
  4. Step 4: Simplify right side
    20,029.06x = 206,744,304.85
  5. Step 5: Solve for x
    x = 206,744,304.85/20,029.06
  6. Step 6: Final answer
    x = 10,322.22

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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.