Home / 38,209.08-52,725.42-21,441.72

Finding the Fourth Proportional to 38,209.08, 52,725.42 and 21,441.72

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Solution

The fourth proportional to 38,209.08, 52,725.42 and 21,441.72 is: 29,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,209.08 : 52,725.42 = 21,441.72 : x
  2. Step 2: Convert to fraction form
    38,209.08/52,725.42 = 21,441.72/x
  3. Step 3: Cross multiply
    38,209.08x = 52,725.42 × 21,441.72
  4. Step 4: Simplify right side
    38,209.08x = 1,130,523,692.52
  5. Step 5: Solve for x
    x = 1,130,523,692.52/38,209.08
  6. Step 6: Final answer
    x = 29,587.83

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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.