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Finding the Fourth Proportional to 59,820.71, 89,646.49 and 33,178.44

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Solution

The fourth proportional to 59,820.71, 89,646.49 and 33,178.44 is: 49,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,820.71 : 89,646.49 = 33,178.44 : x
  2. Step 2: Convert to fraction form
    59,820.71/89,646.49 = 33,178.44/x
  3. Step 3: Cross multiply
    59,820.71x = 89,646.49 × 33,178.44
  4. Step 4: Simplify right side
    59,820.71x = 2,974,330,217.62
  5. Step 5: Solve for x
    x = 2,974,330,217.62/59,820.71
  6. Step 6: Final answer
    x = 49,720.74

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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.