Home / 31,429.11-43,370.35-17,281.96

Finding the Fourth Proportional to 31,429.11, 43,370.35 and 17,281.96

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Solution

The fourth proportional to 31,429.11, 43,370.35 and 17,281.96 is: 23,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.11 : 43,370.35 = 17,281.96 : x
  2. Step 2: Convert to fraction form
    31,429.11/43,370.35 = 17,281.96/x
  3. Step 3: Cross multiply
    31,429.11x = 43,370.35 × 17,281.96
  4. Step 4: Simplify right side
    31,429.11x = 749,524,653.89
  5. Step 5: Solve for x
    x = 749,524,653.89/31,429.11
  6. Step 6: Final answer
    x = 23,848.10

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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.