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Finding the Fourth Proportional to 59,697.30, 89,515.11 and 17,571.90

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Solution

The fourth proportional to 59,697.30, 89,515.11 and 17,571.90 is: 26,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,697.30 : 89,515.11 = 17,571.90 : x
  2. Step 2: Convert to fraction form
    59,697.30/89,515.11 = 17,571.90/x
  3. Step 3: Cross multiply
    59,697.30x = 89,515.11 × 17,571.90
  4. Step 4: Simplify right side
    59,697.30x = 1,572,950,561.41
  5. Step 5: Solve for x
    x = 1,572,950,561.41/59,697.30
  6. Step 6: Final answer
    x = 26,348.77

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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.