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Finding the Fourth Proportional to 59,349.26, 89,029.84 and 21,919.16

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Solution

The fourth proportional to 59,349.26, 89,029.84 and 21,919.16 is: 32,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,349.26 : 89,029.84 = 21,919.16 : x
  2. Step 2: Convert to fraction form
    59,349.26/89,029.84 = 21,919.16/x
  3. Step 3: Cross multiply
    59,349.26x = 89,029.84 × 21,919.16
  4. Step 4: Simplify right side
    59,349.26x = 1,951,459,307.73
  5. Step 5: Solve for x
    x = 1,951,459,307.73/59,349.26
  6. Step 6: Final answer
    x = 32,880.94

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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.