Home / 39,223.32-54,129.42-29,775.48

Finding the Fourth Proportional to 39,223.32, 54,129.42 and 29,775.48

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Solution

The fourth proportional to 39,223.32, 54,129.42 and 29,775.48 is: 41,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,223.32 : 54,129.42 = 29,775.48 : x
  2. Step 2: Convert to fraction form
    39,223.32/54,129.42 = 29,775.48/x
  3. Step 3: Cross multiply
    39,223.32x = 54,129.42 × 29,775.48
  4. Step 4: Simplify right side
    39,223.32x = 1,611,729,462.62
  5. Step 5: Solve for x
    x = 1,611,729,462.62/39,223.32
  6. Step 6: Final answer
    x = 41,091.10

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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.