Home / 31,252.16-43,129.08-17,105

Finding the Fourth Proportional to 31,252.16, 43,129.08 and 17,105

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Solution

The fourth proportional to 31,252.16, 43,129.08 and 17,105 is: 23,605.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,252.16 : 43,129.08 = 17,105 : x
  2. Step 2: Convert to fraction form
    31,252.16/43,129.08 = 17,105/x
  3. Step 3: Cross multiply
    31,252.16x = 43,129.08 × 17,105
  4. Step 4: Simplify right side
    31,252.16x = 737,722,913.40
  5. Step 5: Solve for x
    x = 737,722,913.40/31,252.16
  6. Step 6: Final answer
    x = 23,605.50

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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.