Home / 39,663.49-54,732.13-22,664.36

Finding the Fourth Proportional to 39,663.49, 54,732.13 and 22,664.36

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Solution

The fourth proportional to 39,663.49, 54,732.13 and 22,664.36 is: 31,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.49 : 54,732.13 = 22,664.36 : x
  2. Step 2: Convert to fraction form
    39,663.49/54,732.13 = 22,664.36/x
  3. Step 3: Cross multiply
    39,663.49x = 54,732.13 × 22,664.36
  4. Step 4: Simplify right side
    39,663.49x = 1,240,468,697.89
  5. Step 5: Solve for x
    x = 1,240,468,697.89/39,663.49
  6. Step 6: Final answer
    x = 31,274.82

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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.