Home / 48,934.20-73,428.95-20,851.30

Finding the Fourth Proportional to 48,934.20, 73,428.95 and 20,851.30

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Solution

The fourth proportional to 48,934.20, 73,428.95 and 20,851.30 is: 31,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,934.20 : 73,428.95 = 20,851.30 : x
  2. Step 2: Convert to fraction form
    48,934.20/73,428.95 = 20,851.30/x
  3. Step 3: Cross multiply
    48,934.20x = 73,428.95 × 20,851.30
  4. Step 4: Simplify right side
    48,934.20x = 1,531,089,065.14
  5. Step 5: Solve for x
    x = 1,531,089,065.14/48,934.20
  6. Step 6: Final answer
    x = 31,288.73

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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.