Home / 57,280.64-85,893.20-19,842.85

Finding the Fourth Proportional to 57,280.64, 85,893.20 and 19,842.85

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Solution

The fourth proportional to 57,280.64, 85,893.20 and 19,842.85 is: 29,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,280.64 : 85,893.20 = 19,842.85 : x
  2. Step 2: Convert to fraction form
    57,280.64/85,893.20 = 19,842.85/x
  3. Step 3: Cross multiply
    57,280.64x = 85,893.20 × 19,842.85
  4. Step 4: Simplify right side
    57,280.64x = 1,704,365,354.94
  5. Step 5: Solve for x
    x = 1,704,365,354.94/57,280.64
  6. Step 6: Final answer
    x = 29,754.65

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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.