Home / 52,278.60-72,144.54-28,405.56

Finding the Fourth Proportional to 52,278.60, 72,144.54 and 28,405.56

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Solution

The fourth proportional to 52,278.60, 72,144.54 and 28,405.56 is: 39,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278.60 : 72,144.54 = 28,405.56 : x
  2. Step 2: Convert to fraction form
    52,278.60/72,144.54 = 28,405.56/x
  3. Step 3: Cross multiply
    52,278.60x = 72,144.54 × 28,405.56
  4. Step 4: Simplify right side
    52,278.60x = 2,049,306,059.64
  5. Step 5: Solve for x
    x = 2,049,306,059.64/52,278.60
  6. Step 6: Final answer
    x = 39,199.71

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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.