Home / 39,924.90-55,061.37-31,964.22

Finding the Fourth Proportional to 39,924.90, 55,061.37 and 31,964.22

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Solution

The fourth proportional to 39,924.90, 55,061.37 and 31,964.22 is: 44,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,924.90 : 55,061.37 = 31,964.22 : x
  2. Step 2: Convert to fraction form
    39,924.90/55,061.37 = 31,964.22/x
  3. Step 3: Cross multiply
    39,924.90x = 55,061.37 × 31,964.22
  4. Step 4: Simplify right side
    39,924.90x = 1,759,993,744.18
  5. Step 5: Solve for x
    x = 1,759,993,744.18/39,924.90
  6. Step 6: Final answer
    x = 44,082.61

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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.