Home / 48,928.40-73,367.76-20,837.60

Finding the Fourth Proportional to 48,928.40, 73,367.76 and 20,837.60

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Solution

The fourth proportional to 48,928.40, 73,367.76 and 20,837.60 is: 31,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,928.40 : 73,367.76 = 20,837.60 : x
  2. Step 2: Convert to fraction form
    48,928.40/73,367.76 = 20,837.60/x
  3. Step 3: Cross multiply
    48,928.40x = 73,367.76 × 20,837.60
  4. Step 4: Simplify right side
    48,928.40x = 1,528,808,035.78
  5. Step 5: Solve for x
    x = 1,528,808,035.78/48,928.40
  6. Step 6: Final answer
    x = 31,245.82

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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.