Home / 30,269.70-41,765.40-18,332.82

Finding the Fourth Proportional to 30,269.70, 41,765.40 and 18,332.82

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Solution

The fourth proportional to 30,269.70, 41,765.40 and 18,332.82 is: 25,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269.70 : 41,765.40 = 18,332.82 : x
  2. Step 2: Convert to fraction form
    30,269.70/41,765.40 = 18,332.82/x
  3. Step 3: Cross multiply
    30,269.70x = 41,765.40 × 18,332.82
  4. Step 4: Simplify right side
    30,269.70x = 765,677,560.43
  5. Step 5: Solve for x
    x = 765,677,560.43/30,269.70
  6. Step 6: Final answer
    x = 25,295.18

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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.