Home / 29,167.56-43,743.78-12,530.28

Finding the Fourth Proportional to 29,167.56, 43,743.78 and 12,530.28

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Solution

The fourth proportional to 29,167.56, 43,743.78 and 12,530.28 is: 18,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,167.56 : 43,743.78 = 12,530.28 : x
  2. Step 2: Convert to fraction form
    29,167.56/43,743.78 = 12,530.28/x
  3. Step 3: Cross multiply
    29,167.56x = 43,743.78 × 12,530.28
  4. Step 4: Simplify right side
    29,167.56x = 548,121,811.66
  5. Step 5: Solve for x
    x = 548,121,811.66/29,167.56
  6. Step 6: Final answer
    x = 18,792.17

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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.