Home / 48,918.48-73,363.36-20,838.24

Finding the Fourth Proportional to 48,918.48, 73,363.36 and 20,838.24

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Solution

The fourth proportional to 48,918.48, 73,363.36 and 20,838.24 is: 31,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,918.48 : 73,363.36 = 20,838.24 : x
  2. Step 2: Convert to fraction form
    48,918.48/73,363.36 = 20,838.24/x
  3. Step 3: Cross multiply
    48,918.48x = 73,363.36 × 20,838.24
  4. Step 4: Simplify right side
    48,918.48x = 1,528,763,302.89
  5. Step 5: Solve for x
    x = 1,528,763,302.89/48,918.48
  6. Step 6: Final answer
    x = 31,251.24

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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.