Home / 38,173.55-52,673.74-21,819.58

Finding the Fourth Proportional to 38,173.55, 52,673.74 and 21,819.58

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Solution

The fourth proportional to 38,173.55, 52,673.74 and 21,819.58 is: 30,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,173.55 : 52,673.74 = 21,819.58 : x
  2. Step 2: Convert to fraction form
    38,173.55/52,673.74 = 21,819.58/x
  3. Step 3: Cross multiply
    38,173.55x = 52,673.74 × 21,819.58
  4. Step 4: Simplify right side
    38,173.55x = 1,149,318,883.83
  5. Step 5: Solve for x
    x = 1,149,318,883.83/38,173.55
  6. Step 6: Final answer
    x = 30,107.73

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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.