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Finding the Fourth Proportional to 57,885.95, 79,880.42 and 32,735.99

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Solution

The fourth proportional to 57,885.95, 79,880.42 and 32,735.99 is: 45,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,885.95 : 79,880.42 = 32,735.99 : x
  2. Step 2: Convert to fraction form
    57,885.95/79,880.42 = 32,735.99/x
  3. Step 3: Cross multiply
    57,885.95x = 79,880.42 × 32,735.99
  4. Step 4: Simplify right side
    57,885.95x = 2,614,964,067.23
  5. Step 5: Solve for x
    x = 2,614,964,067.23/57,885.95
  6. Step 6: Final answer
    x = 45,174.42

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1.5x scale

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.