Home / 31,862.16-43,966.44-17,712.72

Finding the Fourth Proportional to 31,862.16, 43,966.44 and 17,712.72

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Solution

The fourth proportional to 31,862.16, 43,966.44 and 17,712.72 is: 24,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.16 : 43,966.44 = 17,712.72 : x
  2. Step 2: Convert to fraction form
    31,862.16/43,966.44 = 17,712.72/x
  3. Step 3: Cross multiply
    31,862.16x = 43,966.44 × 17,712.72
  4. Step 4: Simplify right side
    31,862.16x = 778,765,241.12
  5. Step 5: Solve for x
    x = 778,765,241.12/31,862.16
  6. Step 6: Final answer
    x = 24,441.70

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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.