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Finding the Fourth Proportional to 36,599.70, 54,898.86 and 11,641.47

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Solution

The fourth proportional to 36,599.70, 54,898.86 and 11,641.47 is: 17,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,599.70 : 54,898.86 = 11,641.47 : x
  2. Step 2: Convert to fraction form
    36,599.70/54,898.86 = 11,641.47/x
  3. Step 3: Cross multiply
    36,599.70x = 54,898.86 × 11,641.47
  4. Step 4: Simplify right side
    36,599.70x = 639,103,578.32
  5. Step 5: Solve for x
    x = 639,103,578.32/36,599.70
  6. Step 6: Final answer
    x = 17,461.99

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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.