Home / 57,275.72-85,892.98-19,825.64

Finding the Fourth Proportional to 57,275.72, 85,892.98 and 19,825.64

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Solution

The fourth proportional to 57,275.72, 85,892.98 and 19,825.64 is: 29,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,275.72 : 85,892.98 = 19,825.64 : x
  2. Step 2: Convert to fraction form
    57,275.72/85,892.98 = 19,825.64/x
  3. Step 3: Cross multiply
    57,275.72x = 85,892.98 × 19,825.64
  4. Step 4: Simplify right side
    57,275.72x = 1,702,883,300.01
  5. Step 5: Solve for x
    x = 1,702,883,300.01/57,275.72
  6. Step 6: Final answer
    x = 29,731.33

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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.