Home / 59,923.60-89,885.40-20,481.05

Finding the Fourth Proportional to 59,923.60, 89,885.40 and 20,481.05

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Solution

The fourth proportional to 59,923.60, 89,885.40 and 20,481.05 is: 30,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,923.60 : 89,885.40 = 20,481.05 : x
  2. Step 2: Convert to fraction form
    59,923.60/89,885.40 = 20,481.05/x
  3. Step 3: Cross multiply
    59,923.60x = 89,885.40 × 20,481.05
  4. Step 4: Simplify right side
    59,923.60x = 1,840,947,519.58
  5. Step 5: Solve for x
    x = 1,840,947,519.58/59,923.60
  6. Step 6: Final answer
    x = 30,721.58

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Double scale
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Similar ratio
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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.