Home / 57,273.10-85,889.05-19,823

Finding the Fourth Proportional to 57,273.10, 85,889.05 and 19,823

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Solution

The fourth proportional to 57,273.10, 85,889.05 and 19,823 is: 29,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,273.10 : 85,889.05 = 19,823 : x
  2. Step 2: Convert to fraction form
    57,273.10/85,889.05 = 19,823/x
  3. Step 3: Cross multiply
    57,273.10x = 85,889.05 × 19,823
  4. Step 4: Simplify right side
    57,273.10x = 1,702,578,638.15
  5. Step 5: Solve for x
    x = 1,702,578,638.15/57,273.10
  6. Step 6: Final answer
    x = 29,727.37

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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.