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Finding the Fourth Proportional to 39,347.88, 58,989.02 and 19,599.27

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Solution

The fourth proportional to 39,347.88, 58,989.02 and 19,599.27 is: 29,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.88 : 58,989.02 = 19,599.27 : x
  2. Step 2: Convert to fraction form
    39,347.88/58,989.02 = 19,599.27/x
  3. Step 3: Cross multiply
    39,347.88x = 58,989.02 × 19,599.27
  4. Step 4: Simplify right side
    39,347.88x = 1,156,141,632.02
  5. Step 5: Solve for x
    x = 1,156,141,632.02/39,347.88
  6. Step 6: Final answer
    x = 29,382.56

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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.