Home / 31,202.58-43,062.87-18,460.02

Finding the Fourth Proportional to 31,202.58, 43,062.87 and 18,460.02

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Solution

The fourth proportional to 31,202.58, 43,062.87 and 18,460.02 is: 25,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,202.58 : 43,062.87 = 18,460.02 : x
  2. Step 2: Convert to fraction form
    31,202.58/43,062.87 = 18,460.02/x
  3. Step 3: Cross multiply
    31,202.58x = 43,062.87 × 18,460.02
  4. Step 4: Simplify right side
    31,202.58x = 794,941,441.46
  5. Step 5: Solve for x
    x = 794,941,441.46/31,202.58
  6. Step 6: Final answer
    x = 25,476.79

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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.