Home / 38,235.71-52,763.49-21,241.05

Finding the Fourth Proportional to 38,235.71, 52,763.49 and 21,241.05

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Solution

The fourth proportional to 38,235.71, 52,763.49 and 21,241.05 is: 29,311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.71 : 52,763.49 = 21,241.05 : x
  2. Step 2: Convert to fraction form
    38,235.71/52,763.49 = 21,241.05/x
  3. Step 3: Cross multiply
    38,235.71x = 52,763.49 × 21,241.05
  4. Step 4: Simplify right side
    38,235.71x = 1,120,751,929.26
  5. Step 5: Solve for x
    x = 1,120,751,929.26/38,235.71
  6. Step 6: Final answer
    x = 29,311.66

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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.