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Finding the Fourth Proportional to 57,252.96, 85,887.26 and 19,803

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Solution

The fourth proportional to 57,252.96, 85,887.26 and 19,803 is: 29,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,252.96 : 85,887.26 = 19,803 : x
  2. Step 2: Convert to fraction form
    57,252.96/85,887.26 = 19,803/x
  3. Step 3: Cross multiply
    57,252.96x = 85,887.26 × 19,803
  4. Step 4: Simplify right side
    57,252.96x = 1,700,825,310.77
  5. Step 5: Solve for x
    x = 1,700,825,310.77/57,252.96
  6. Step 6: Final answer
    x = 29,707.20

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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.