Home / 31,398.36-43,329.72-17,252.04

Finding the Fourth Proportional to 31,398.36, 43,329.72 and 17,252.04

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Solution

The fourth proportional to 31,398.36, 43,329.72 and 17,252.04 is: 23,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.36 : 43,329.72 = 17,252.04 : x
  2. Step 2: Convert to fraction form
    31,398.36/43,329.72 = 17,252.04/x
  3. Step 3: Cross multiply
    31,398.36x = 43,329.72 × 17,252.04
  4. Step 4: Simplify right side
    31,398.36x = 747,526,062.63
  5. Step 5: Solve for x
    x = 747,526,062.63/31,398.36
  6. Step 6: Final answer
    x = 23,807.81

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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.