Home / 48,838.49-73,243.15-20,758.42

Finding the Fourth Proportional to 48,838.49, 73,243.15 and 20,758.42

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Solution

The fourth proportional to 48,838.49, 73,243.15 and 20,758.42 is: 31,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,838.49 : 73,243.15 = 20,758.42 : x
  2. Step 2: Convert to fraction form
    48,838.49/73,243.15 = 20,758.42/x
  3. Step 3: Cross multiply
    48,838.49x = 73,243.15 × 20,758.42
  4. Step 4: Simplify right side
    48,838.49x = 1,520,411,834.82
  5. Step 5: Solve for x
    x = 1,520,411,834.82/48,838.49
  6. Step 6: Final answer
    x = 31,131.43

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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.