Home / 57,268.96-85,882.85-19,818.86

Finding the Fourth Proportional to 57,268.96, 85,882.85 and 19,818.86

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Solution

The fourth proportional to 57,268.96, 85,882.85 and 19,818.86 is: 29,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,268.96 : 85,882.85 = 19,818.86 : x
  2. Step 2: Convert to fraction form
    57,268.96/85,882.85 = 19,818.86/x
  3. Step 3: Cross multiply
    57,268.96x = 85,882.85 × 19,818.86
  4. Step 4: Simplify right side
    57,268.96x = 1,702,099,916.30
  5. Step 5: Solve for x
    x = 1,702,099,916.30/57,268.96
  6. Step 6: Final answer
    x = 29,721.16

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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.