Home / 31,770.46-43,843.88-19,024.20

Finding the Fourth Proportional to 31,770.46, 43,843.88 and 19,024.20

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Solution

The fourth proportional to 31,770.46, 43,843.88 and 19,024.20 is: 26,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.46 : 43,843.88 = 19,024.20 : x
  2. Step 2: Convert to fraction form
    31,770.46/43,843.88 = 19,024.20/x
  3. Step 3: Cross multiply
    31,770.46x = 43,843.88 × 19,024.20
  4. Step 4: Simplify right side
    31,770.46x = 834,094,741.90
  5. Step 5: Solve for x
    x = 834,094,741.90/31,770.46
  6. Step 6: Final answer
    x = 26,253.78

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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.