Home / 31,376.11-43,298.72-17,035.62

Finding the Fourth Proportional to 31,376.11, 43,298.72 and 17,035.62

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Solution

The fourth proportional to 31,376.11, 43,298.72 and 17,035.62 is: 23,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.11 : 43,298.72 = 17,035.62 : x
  2. Step 2: Convert to fraction form
    31,376.11/43,298.72 = 17,035.62/x
  3. Step 3: Cross multiply
    31,376.11x = 43,298.72 × 17,035.62
  4. Step 4: Simplify right side
    31,376.11x = 737,620,540.41
  5. Step 5: Solve for x
    x = 737,620,540.41/31,376.11
  6. Step 6: Final answer
    x = 23,508.99

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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.