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Finding the Fourth Proportional to 57,814.76, 79,797.25 and 35,148.96

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Solution

The fourth proportional to 57,814.76, 79,797.25 and 35,148.96 is: 48,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,814.76 : 79,797.25 = 35,148.96 : x
  2. Step 2: Convert to fraction form
    57,814.76/79,797.25 = 35,148.96/x
  3. Step 3: Cross multiply
    57,814.76x = 79,797.25 × 35,148.96
  4. Step 4: Simplify right side
    57,814.76x = 2,804,790,348.36
  5. Step 5: Solve for x
    x = 2,804,790,348.36/57,814.76
  6. Step 6: Final answer
    x = 48,513.40

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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.