Home / 57,271.92-85,887.27-19,821.82

Finding the Fourth Proportional to 57,271.92, 85,887.27 and 19,821.82

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Solution

The fourth proportional to 57,271.92, 85,887.27 and 19,821.82 is: 29,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271.92 : 85,887.27 = 19,821.82 : x
  2. Step 2: Convert to fraction form
    57,271.92/85,887.27 = 19,821.82/x
  3. Step 3: Cross multiply
    57,271.92x = 85,887.27 × 19,821.82
  4. Step 4: Simplify right side
    57,271.92x = 1,702,442,006.23
  5. Step 5: Solve for x
    x = 1,702,442,006.23/57,271.92
  6. Step 6: Final answer
    x = 29,725.60

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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.