Home / 31,299.87-43,194.92-17,870.90

Finding the Fourth Proportional to 31,299.87, 43,194.92 and 17,870.90

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Solution

The fourth proportional to 31,299.87, 43,194.92 and 17,870.90 is: 24,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.87 : 43,194.92 = 17,870.90 : x
  2. Step 2: Convert to fraction form
    31,299.87/43,194.92 = 17,870.90/x
  3. Step 3: Cross multiply
    31,299.87x = 43,194.92 × 17,870.90
  4. Step 4: Simplify right side
    31,299.87x = 771,932,255.48
  5. Step 5: Solve for x
    x = 771,932,255.48/31,299.87
  6. Step 6: Final answer
    x = 24,662.48

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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.