Home / 31,980.78-44,135.22-17,833.56

Finding the Fourth Proportional to 31,980.78, 44,135.22 and 17,833.56

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Solution

The fourth proportional to 31,980.78, 44,135.22 and 17,833.56 is: 24,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.78 : 44,135.22 = 17,833.56 : x
  2. Step 2: Convert to fraction form
    31,980.78/44,135.22 = 17,833.56/x
  3. Step 3: Cross multiply
    31,980.78x = 44,135.22 × 17,833.56
  4. Step 4: Simplify right side
    31,980.78x = 787,088,093.98
  5. Step 5: Solve for x
    x = 787,088,093.98/31,980.78
  6. Step 6: Final answer
    x = 24,611.29

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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.