Home / 48,973.66-73,488.18-20,891.05

Finding the Fourth Proportional to 48,973.66, 73,488.18 and 20,891.05

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Solution

The fourth proportional to 48,973.66, 73,488.18 and 20,891.05 is: 31,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,973.66 : 73,488.18 = 20,891.05 : x
  2. Step 2: Convert to fraction form
    48,973.66/73,488.18 = 20,891.05/x
  3. Step 3: Cross multiply
    48,973.66x = 73,488.18 × 20,891.05
  4. Step 4: Simplify right side
    48,973.66x = 1,535,245,242.79
  5. Step 5: Solve for x
    x = 1,535,245,242.79/48,973.66
  6. Step 6: Final answer
    x = 31,348.39

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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.