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Finding the Fourth Proportional to 59,059.70, 88,601.70 and 19,645.10

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Solution

The fourth proportional to 59,059.70, 88,601.70 and 19,645.10 is: 29,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,059.70 : 88,601.70 = 19,645.10 : x
  2. Step 2: Convert to fraction form
    59,059.70/88,601.70 = 19,645.10/x
  3. Step 3: Cross multiply
    59,059.70x = 88,601.70 × 19,645.10
  4. Step 4: Simplify right side
    59,059.70x = 1,740,589,256.67
  5. Step 5: Solve for x
    x = 1,740,589,256.67/59,059.70
  6. Step 6: Final answer
    x = 29,471.69

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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.