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Finding the Fourth Proportional to 57,827.12, 79,808.49 and 33,956.01

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Solution

The fourth proportional to 57,827.12, 79,808.49 and 33,956.01 is: 46,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,827.12 : 79,808.49 = 33,956.01 : x
  2. Step 2: Convert to fraction form
    57,827.12/79,808.49 = 33,956.01/x
  3. Step 3: Cross multiply
    57,827.12x = 79,808.49 × 33,956.01
  4. Step 4: Simplify right side
    57,827.12x = 2,709,977,884.52
  5. Step 5: Solve for x
    x = 2,709,977,884.52/57,827.12
  6. Step 6: Final answer
    x = 46,863.45

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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.