Home / 29,778.04-41,092.14-20,348.92

Finding the Fourth Proportional to 29,778.04, 41,092.14 and 20,348.92

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Solution

The fourth proportional to 29,778.04, 41,092.14 and 20,348.92 is: 28,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,778.04 : 41,092.14 = 20,348.92 : x
  2. Step 2: Convert to fraction form
    29,778.04/41,092.14 = 20,348.92/x
  3. Step 3: Cross multiply
    29,778.04x = 41,092.14 × 20,348.92
  4. Step 4: Simplify right side
    29,778.04x = 836,180,669.49
  5. Step 5: Solve for x
    x = 836,180,669.49/29,778.04
  6. Step 6: Final answer
    x = 28,080.45

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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.