Home / 31,230.85-43,098.63-17,083.69

Finding the Fourth Proportional to 31,230.85, 43,098.63 and 17,083.69

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Solution

The fourth proportional to 31,230.85, 43,098.63 and 17,083.69 is: 23,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230.85 : 43,098.63 = 17,083.69 : x
  2. Step 2: Convert to fraction form
    31,230.85/43,098.63 = 17,083.69/x
  3. Step 3: Cross multiply
    31,230.85x = 43,098.63 × 17,083.69
  4. Step 4: Simplify right side
    31,230.85x = 736,283,624.15
  5. Step 5: Solve for x
    x = 736,283,624.15/31,230.85
  6. Step 6: Final answer
    x = 23,575.52

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1.5x scale

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.