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Finding the Fourth Proportional to 40,589.30, 60,890.02 and 14,289.41

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Solution

The fourth proportional to 40,589.30, 60,890.02 and 14,289.41 is: 21,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,589.30 : 60,890.02 = 14,289.41 : x
  2. Step 2: Convert to fraction form
    40,589.30/60,890.02 = 14,289.41/x
  3. Step 3: Cross multiply
    40,589.30x = 60,890.02 × 14,289.41
  4. Step 4: Simplify right side
    40,589.30x = 870,082,460.69
  5. Step 5: Solve for x
    x = 870,082,460.69/40,589.30
  6. Step 6: Final answer
    x = 21,436.25

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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.