Home / 39,870.39-59,786.13-22,771.29

Finding the Fourth Proportional to 39,870.39, 59,786.13 and 22,771.29

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Solution

The fourth proportional to 39,870.39, 59,786.13 and 22,771.29 is: 34,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870.39 : 59,786.13 = 22,771.29 : x
  2. Step 2: Convert to fraction form
    39,870.39/59,786.13 = 22,771.29/x
  3. Step 3: Cross multiply
    39,870.39x = 59,786.13 × 22,771.29
  4. Step 4: Simplify right side
    39,870.39x = 1,361,407,304.21
  5. Step 5: Solve for x
    x = 1,361,407,304.21/39,870.39
  6. Step 6: Final answer
    x = 34,145.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.