Home / 48,744.61-73,121.73-20,275.72

Finding the Fourth Proportional to 48,744.61, 73,121.73 and 20,275.72

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Solution

The fourth proportional to 48,744.61, 73,121.73 and 20,275.72 is: 30,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,744.61 : 73,121.73 = 20,275.72 : x
  2. Step 2: Convert to fraction form
    48,744.61/73,121.73 = 20,275.72/x
  3. Step 3: Cross multiply
    48,744.61x = 73,121.73 × 20,275.72
  4. Step 4: Simplify right side
    48,744.61x = 1,482,595,723.40
  5. Step 5: Solve for x
    x = 1,482,595,723.40/48,744.61
  6. Step 6: Final answer
    x = 30,415.58

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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.