Home / 39,982.32-55,175.31-22,077.32

Finding the Fourth Proportional to 39,982.32, 55,175.31 and 22,077.32

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Solution

The fourth proportional to 39,982.32, 55,175.31 and 22,077.32 is: 30,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.32 : 55,175.31 = 22,077.32 : x
  2. Step 2: Convert to fraction form
    39,982.32/55,175.31 = 22,077.32/x
  3. Step 3: Cross multiply
    39,982.32x = 55,175.31 × 22,077.32
  4. Step 4: Simplify right side
    39,982.32x = 1,218,122,699.09
  5. Step 5: Solve for x
    x = 1,218,122,699.09/39,982.32
  6. Step 6: Final answer
    x = 30,466.53

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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.