Home / 31,342.95-43,252.90-17,195.79

Finding the Fourth Proportional to 31,342.95, 43,252.90 and 17,195.79

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Solution

The fourth proportional to 31,342.95, 43,252.90 and 17,195.79 is: 23,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.95 : 43,252.90 = 17,195.79 : x
  2. Step 2: Convert to fraction form
    31,342.95/43,252.90 = 17,195.79/x
  3. Step 3: Cross multiply
    31,342.95x = 43,252.90 × 17,195.79
  4. Step 4: Simplify right side
    31,342.95x = 743,767,785.29
  5. Step 5: Solve for x
    x = 743,767,785.29/31,342.95
  6. Step 6: Final answer
    x = 23,729.99

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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.