Home / 31,712.06-43,751.98-18,283.02

Finding the Fourth Proportional to 31,712.06, 43,751.98 and 18,283.02

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Solution

The fourth proportional to 31,712.06, 43,751.98 and 18,283.02 is: 25,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.06 : 43,751.98 = 18,283.02 : x
  2. Step 2: Convert to fraction form
    31,712.06/43,751.98 = 18,283.02/x
  3. Step 3: Cross multiply
    31,712.06x = 43,751.98 × 18,283.02
  4. Step 4: Simplify right side
    31,712.06x = 799,918,197.64
  5. Step 5: Solve for x
    x = 799,918,197.64/31,712.06
  6. Step 6: Final answer
    x = 25,224.42

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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.