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Finding the Fourth Proportional to 59,391.14, 89,071.14 and 21,961.94

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Solution

The fourth proportional to 59,391.14, 89,071.14 and 21,961.94 is: 32,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,391.14 : 89,071.14 = 21,961.94 : x
  2. Step 2: Convert to fraction form
    59,391.14/89,071.14 = 21,961.94/x
  3. Step 3: Cross multiply
    59,391.14x = 89,071.14 × 21,961.94
  4. Step 4: Simplify right side
    59,391.14x = 1,956,175,032.41
  5. Step 5: Solve for x
    x = 1,956,175,032.41/59,391.14
  6. Step 6: Final answer
    x = 32,937.15

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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.