Home / 31,766.40-43,834.32-17,618.88

Finding the Fourth Proportional to 31,766.40, 43,834.32 and 17,618.88

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Solution

The fourth proportional to 31,766.40, 43,834.32 and 17,618.88 is: 24,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.40 : 43,834.32 = 17,618.88 : x
  2. Step 2: Convert to fraction form
    31,766.40/43,834.32 = 17,618.88/x
  3. Step 3: Cross multiply
    31,766.40x = 43,834.32 × 17,618.88
  4. Step 4: Simplify right side
    31,766.40x = 772,311,623.96
  5. Step 5: Solve for x
    x = 772,311,623.96/31,766.40
  6. Step 6: Final answer
    x = 24,312.22

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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.