Home / 36,783.57-55,175.87-10,488.31

Finding the Fourth Proportional to 36,783.57, 55,175.87 and 10,488.31

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Solution

The fourth proportional to 36,783.57, 55,175.87 and 10,488.31 is: 15,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.57 : 55,175.87 = 10,488.31 : x
  2. Step 2: Convert to fraction form
    36,783.57/55,175.87 = 10,488.31/x
  3. Step 3: Cross multiply
    36,783.57x = 55,175.87 × 10,488.31
  4. Step 4: Simplify right side
    36,783.57x = 578,701,629.08
  5. Step 5: Solve for x
    x = 578,701,629.08/36,783.57
  6. Step 6: Final answer
    x = 15,732.61

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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.