Home / 36,821.17-55,230.65-10,168.78

Finding the Fourth Proportional to 36,821.17, 55,230.65 and 10,168.78

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Solution

The fourth proportional to 36,821.17, 55,230.65 and 10,168.78 is: 15,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.17 : 55,230.65 = 10,168.78 : x
  2. Step 2: Convert to fraction form
    36,821.17/55,230.65 = 10,168.78/x
  3. Step 3: Cross multiply
    36,821.17x = 55,230.65 × 10,168.78
  4. Step 4: Simplify right side
    36,821.17x = 561,628,278.26
  5. Step 5: Solve for x
    x = 561,628,278.26/36,821.17
  6. Step 6: Final answer
    x = 15,252.87

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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.