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Finding the Fourth Proportional to 59,379.40, 89,040.30 and 33,056.20

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Solution

The fourth proportional to 59,379.40, 89,040.30 and 33,056.20 is: 49,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,379.40 : 89,040.30 = 33,056.20 : x
  2. Step 2: Convert to fraction form
    59,379.40/89,040.30 = 33,056.20/x
  3. Step 3: Cross multiply
    59,379.40x = 89,040.30 × 33,056.20
  4. Step 4: Simplify right side
    59,379.40x = 2,943,333,964.86
  5. Step 5: Solve for x
    x = 2,943,333,964.86/59,379.40
  6. Step 6: Final answer
    x = 49,568.27

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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.