Home / 20,033.04-30,042.36-6,881.92

Finding the Fourth Proportional to 20,033.04, 30,042.36 and 6,881.92

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Solution

The fourth proportional to 20,033.04, 30,042.36 and 6,881.92 is: 10,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.04 : 30,042.36 = 6,881.92 : x
  2. Step 2: Convert to fraction form
    20,033.04/30,042.36 = 6,881.92/x
  3. Step 3: Cross multiply
    20,033.04x = 30,042.36 × 6,881.92
  4. Step 4: Simplify right side
    20,033.04x = 206,749,118.13
  5. Step 5: Solve for x
    x = 206,749,118.13/20,033.04
  6. Step 6: Final answer
    x = 10,320.41

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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.