Home / 57,273.72-85,889.99-19,823.64

Finding the Fourth Proportional to 57,273.72, 85,889.99 and 19,823.64

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Solution

The fourth proportional to 57,273.72, 85,889.99 and 19,823.64 is: 29,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,273.72 : 85,889.99 = 19,823.64 : x
  2. Step 2: Convert to fraction form
    57,273.72/85,889.99 = 19,823.64/x
  3. Step 3: Cross multiply
    57,273.72x = 85,889.99 × 19,823.64
  4. Step 4: Simplify right side
    57,273.72x = 1,702,652,142.25
  5. Step 5: Solve for x
    x = 1,702,652,142.25/57,273.72
  6. Step 6: Final answer
    x = 29,728.33

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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.