Home / 40,076.28-55,300.68-22,168.80

Finding the Fourth Proportional to 40,076.28, 55,300.68 and 22,168.80

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Solution

The fourth proportional to 40,076.28, 55,300.68 and 22,168.80 is: 30,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.28 : 55,300.68 = 22,168.80 : x
  2. Step 2: Convert to fraction form
    40,076.28/55,300.68 = 22,168.80/x
  3. Step 3: Cross multiply
    40,076.28x = 55,300.68 × 22,168.80
  4. Step 4: Simplify right side
    40,076.28x = 1,225,949,714.78
  5. Step 5: Solve for x
    x = 1,225,949,714.78/40,076.28
  6. Step 6: Final answer
    x = 30,590.41

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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.