Home / 31,807.16-43,895.25-17,660

Finding the Fourth Proportional to 31,807.16, 43,895.25 and 17,660

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Solution

The fourth proportional to 31,807.16, 43,895.25 and 17,660 is: 24,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,807.16 : 43,895.25 = 17,660 : x
  2. Step 2: Convert to fraction form
    31,807.16/43,895.25 = 17,660/x
  3. Step 3: Cross multiply
    31,807.16x = 43,895.25 × 17,660
  4. Step 4: Simplify right side
    31,807.16x = 775,190,115
  5. Step 5: Solve for x
    x = 775,190,115/31,807.16
  6. Step 6: Final answer
    x = 24,371.56

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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.