Home / 38,235.16-52,766.26-21,239.46

Finding the Fourth Proportional to 38,235.16, 52,766.26 and 21,239.46

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Solution

The fourth proportional to 38,235.16, 52,766.26 and 21,239.46 is: 29,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.16 : 52,766.26 = 21,239.46 : x
  2. Step 2: Convert to fraction form
    38,235.16/52,766.26 = 21,239.46/x
  3. Step 3: Cross multiply
    38,235.16x = 52,766.26 × 21,239.46
  4. Step 4: Simplify right side
    38,235.16x = 1,120,726,868.62
  5. Step 5: Solve for x
    x = 1,120,726,868.62/38,235.16
  6. Step 6: Final answer
    x = 29,311.42

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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.