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Finding the Fourth Proportional to 57,828.80, 79,805.44 and 32,334.46

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Solution

The fourth proportional to 57,828.80, 79,805.44 and 32,334.46 is: 44,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,828.80 : 79,805.44 = 32,334.46 : x
  2. Step 2: Convert to fraction form
    57,828.80/79,805.44 = 32,334.46/x
  3. Step 3: Cross multiply
    57,828.80x = 79,805.44 × 32,334.46
  4. Step 4: Simplify right side
    57,828.80x = 2,580,465,807.46
  5. Step 5: Solve for x
    x = 2,580,465,807.46/57,828.80
  6. Step 6: Final answer
    x = 44,622.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.