Home / 40,678.66-56,126.89-23,672.61

Finding the Fourth Proportional to 40,678.66, 56,126.89 and 23,672.61

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Solution

The fourth proportional to 40,678.66, 56,126.89 and 23,672.61 is: 32,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,678.66 : 56,126.89 = 23,672.61 : x
  2. Step 2: Convert to fraction form
    40,678.66/56,126.89 = 23,672.61/x
  3. Step 3: Cross multiply
    40,678.66x = 56,126.89 × 23,672.61
  4. Step 4: Simplify right side
    40,678.66x = 1,328,669,977.48
  5. Step 5: Solve for x
    x = 1,328,669,977.48/40,678.66
  6. Step 6: Final answer
    x = 32,662.58

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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.