Home / 31,986.90-44,159.94-22,181.85

Finding the Fourth Proportional to 31,986.90, 44,159.94 and 22,181.85

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Solution

The fourth proportional to 31,986.90, 44,159.94 and 22,181.85 is: 30,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.90 : 44,159.94 = 22,181.85 : x
  2. Step 2: Convert to fraction form
    31,986.90/44,159.94 = 22,181.85/x
  3. Step 3: Cross multiply
    31,986.90x = 44,159.94 × 22,181.85
  4. Step 4: Simplify right side
    31,986.90x = 979,549,165.09
  5. Step 5: Solve for x
    x = 979,549,165.09/31,986.90
  6. Step 6: Final answer
    x = 30,623.45

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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.