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Finding the Fourth Proportional to 57,251.46, 85,885.00 and 19,801.49

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Solution

The fourth proportional to 57,251.46, 85,885.00 and 19,801.49 is: 29,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,251.46 : 85,885.00 = 19,801.49 : x
  2. Step 2: Convert to fraction form
    57,251.46/85,885.00 = 19,801.49/x
  3. Step 3: Cross multiply
    57,251.46x = 85,885.00 × 19,801.49
  4. Step 4: Simplify right side
    57,251.46x = 1,700,651,133.86
  5. Step 5: Solve for x
    x = 1,700,651,133.86/57,251.46
  6. Step 6: Final answer
    x = 29,704.94

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1.5x scale

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.