Home / 53,565.28-80,375.25-21,999.58

Finding the Fourth Proportional to 53,565.28, 80,375.25 and 21,999.58

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Solution

The fourth proportional to 53,565.28, 80,375.25 and 21,999.58 is: 33,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,565.28 : 80,375.25 = 21,999.58 : x
  2. Step 2: Convert to fraction form
    53,565.28/80,375.25 = 21,999.58/x
  3. Step 3: Cross multiply
    53,565.28x = 80,375.25 × 21,999.58
  4. Step 4: Simplify right side
    53,565.28x = 1,768,221,742.40
  5. Step 5: Solve for x
    x = 1,768,221,742.40/53,565.28
  6. Step 6: Final answer
    x = 33,010.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.