Home / 31,252.24-43,122-18,681.04

Finding the Fourth Proportional to 31,252.24, 43,122 and 18,681.04

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Solution

The fourth proportional to 31,252.24, 43,122 and 18,681.04 is: 25,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,252.24 : 43,122 = 18,681.04 : x
  2. Step 2: Convert to fraction form
    31,252.24/43,122 = 18,681.04/x
  3. Step 3: Cross multiply
    31,252.24x = 43,122 × 18,681.04
  4. Step 4: Simplify right side
    31,252.24x = 805,563,806.88
  5. Step 5: Solve for x
    x = 805,563,806.88/31,252.24
  6. Step 6: Final answer
    x = 25,776.19

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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.