Home / 38,575.75-53,232.01-21,577.04

Finding the Fourth Proportional to 38,575.75, 53,232.01 and 21,577.04

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Solution

The fourth proportional to 38,575.75, 53,232.01 and 21,577.04 is: 29,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575.75 : 53,232.01 = 21,577.04 : x
  2. Step 2: Convert to fraction form
    38,575.75/53,232.01 = 21,577.04/x
  3. Step 3: Cross multiply
    38,575.75x = 53,232.01 × 21,577.04
  4. Step 4: Simplify right side
    38,575.75x = 1,148,589,209.05
  5. Step 5: Solve for x
    x = 1,148,589,209.05/38,575.75
  6. Step 6: Final answer
    x = 29,774.90

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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.