Home / 29,112.78-43,638.02-15,058.66

Finding the Fourth Proportional to 29,112.78, 43,638.02 and 15,058.66

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Solution

The fourth proportional to 29,112.78, 43,638.02 and 15,058.66 is: 22,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112.78 : 43,638.02 = 15,058.66 : x
  2. Step 2: Convert to fraction form
    29,112.78/43,638.02 = 15,058.66/x
  3. Step 3: Cross multiply
    29,112.78x = 43,638.02 × 15,058.66
  4. Step 4: Simplify right side
    29,112.78x = 657,130,144.86
  5. Step 5: Solve for x
    x = 657,130,144.86/29,112.78
  6. Step 6: Final answer
    x = 22,571.88

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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.