Home / 31,377.60-43,299.52-17,230.08

Finding the Fourth Proportional to 31,377.60, 43,299.52 and 17,230.08

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Solution

The fourth proportional to 31,377.60, 43,299.52 and 17,230.08 is: 23,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.60 : 43,299.52 = 17,230.08 : x
  2. Step 2: Convert to fraction form
    31,377.60/43,299.52 = 17,230.08/x
  3. Step 3: Cross multiply
    31,377.60x = 43,299.52 × 17,230.08
  4. Step 4: Simplify right side
    31,377.60x = 746,054,193.56
  5. Step 5: Solve for x
    x = 746,054,193.56/31,377.60
  6. Step 6: Final answer
    x = 23,776.65

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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.