Home / 39,374.69-54,388.92-29,186.36

Finding the Fourth Proportional to 39,374.69, 54,388.92 and 29,186.36

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Solution

The fourth proportional to 39,374.69, 54,388.92 and 29,186.36 is: 40,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,374.69 : 54,388.92 = 29,186.36 : x
  2. Step 2: Convert to fraction form
    39,374.69/54,388.92 = 29,186.36/x
  3. Step 3: Cross multiply
    39,374.69x = 54,388.92 × 29,186.36
  4. Step 4: Simplify right side
    39,374.69x = 1,587,414,599.13
  5. Step 5: Solve for x
    x = 1,587,414,599.13/39,374.69
  6. Step 6: Final answer
    x = 40,315.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.