Home / 31,280.62-43,167.36-17,133.46

Finding the Fourth Proportional to 31,280.62, 43,167.36 and 17,133.46

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Solution

The fourth proportional to 31,280.62, 43,167.36 and 17,133.46 is: 23,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.62 : 43,167.36 = 17,133.46 : x
  2. Step 2: Convert to fraction form
    31,280.62/43,167.36 = 17,133.46/x
  3. Step 3: Cross multiply
    31,280.62x = 43,167.36 × 17,133.46
  4. Step 4: Simplify right side
    31,280.62x = 739,606,235.87
  5. Step 5: Solve for x
    x = 739,606,235.87/31,280.62
  6. Step 6: Final answer
    x = 23,644.23

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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.