Home / 39,866.04-54,616.72-38,371.32

Finding the Fourth Proportional to 39,866.04, 54,616.72 and 38,371.32

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Solution

The fourth proportional to 39,866.04, 54,616.72 and 38,371.32 is: 52,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,866.04 : 54,616.72 = 38,371.32 : x
  2. Step 2: Convert to fraction form
    39,866.04/54,616.72 = 38,371.32/x
  3. Step 3: Cross multiply
    39,866.04x = 54,616.72 × 38,371.32
  4. Step 4: Simplify right side
    39,866.04x = 2,095,715,640.47
  5. Step 5: Solve for x
    x = 2,095,715,640.47/39,866.04
  6. Step 6: Final answer
    x = 52,568.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.