Home / 58,673.12-87,963.24-21,227.36

Finding the Fourth Proportional to 58,673.12, 87,963.24 and 21,227.36

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Solution

The fourth proportional to 58,673.12, 87,963.24 and 21,227.36 is: 31,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,673.12 : 87,963.24 = 21,227.36 : x
  2. Step 2: Convert to fraction form
    58,673.12/87,963.24 = 21,227.36/x
  3. Step 3: Cross multiply
    58,673.12x = 87,963.24 × 21,227.36
  4. Step 4: Simplify right side
    58,673.12x = 1,867,227,362.25
  5. Step 5: Solve for x
    x = 1,867,227,362.25/58,673.12
  6. Step 6: Final answer
    x = 31,824.24

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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.