Home / 40,726.94-61,108.23-18,542.66

Finding the Fourth Proportional to 40,726.94, 61,108.23 and 18,542.66

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Solution

The fourth proportional to 40,726.94, 61,108.23 and 18,542.66 is: 27,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,726.94 : 61,108.23 = 18,542.66 : x
  2. Step 2: Convert to fraction form
    40,726.94/61,108.23 = 18,542.66/x
  3. Step 3: Cross multiply
    40,726.94x = 61,108.23 × 18,542.66
  4. Step 4: Simplify right side
    40,726.94x = 1,133,108,826.55
  5. Step 5: Solve for x
    x = 1,133,108,826.55/40,726.94
  6. Step 6: Final answer
    x = 27,822.10

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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.