Home / 43,108-64,665.76-11,943.52

Finding the Fourth Proportional to 43,108, 64,665.76 and 11,943.52

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Solution

The fourth proportional to 43,108, 64,665.76 and 11,943.52 is: 17,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,108 : 64,665.76 = 11,943.52 : x
  2. Step 2: Convert to fraction form
    43,108/64,665.76 = 11,943.52/x
  3. Step 3: Cross multiply
    43,108x = 64,665.76 × 11,943.52
  4. Step 4: Simplify right side
    43,108x = 772,336,797.88
  5. Step 5: Solve for x
    x = 772,336,797.88/43,108
  6. Step 6: Final answer
    x = 17,916.32

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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.