Home / 31,974.78-44,125.52-18,549.30

Finding the Fourth Proportional to 31,974.78, 44,125.52 and 18,549.30

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Solution

The fourth proportional to 31,974.78, 44,125.52 and 18,549.30 is: 25,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.78 : 44,125.52 = 18,549.30 : x
  2. Step 2: Convert to fraction form
    31,974.78/44,125.52 = 18,549.30/x
  3. Step 3: Cross multiply
    31,974.78x = 44,125.52 × 18,549.30
  4. Step 4: Simplify right side
    31,974.78x = 818,497,415.39
  5. Step 5: Solve for x
    x = 818,497,415.39/31,974.78
  6. Step 6: Final answer
    x = 25,598.22

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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.