Home / 40,278.44-55,583.10-22,373

Finding the Fourth Proportional to 40,278.44, 55,583.10 and 22,373

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Solution

The fourth proportional to 40,278.44, 55,583.10 and 22,373 is: 30,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.44 : 55,583.10 = 22,373 : x
  2. Step 2: Convert to fraction form
    40,278.44/55,583.10 = 22,373/x
  3. Step 3: Cross multiply
    40,278.44x = 55,583.10 × 22,373
  4. Step 4: Simplify right side
    40,278.44x = 1,243,560,696.30
  5. Step 5: Solve for x
    x = 1,243,560,696.30/40,278.44
  6. Step 6: Final answer
    x = 30,874.10

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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.