Home / 57,276.10-85,893.55-19,826

Finding the Fourth Proportional to 57,276.10, 85,893.55 and 19,826

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Solution

The fourth proportional to 57,276.10, 85,893.55 and 19,826 is: 29,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.10 : 85,893.55 = 19,826 : x
  2. Step 2: Convert to fraction form
    57,276.10/85,893.55 = 19,826/x
  3. Step 3: Cross multiply
    57,276.10x = 85,893.55 × 19,826
  4. Step 4: Simplify right side
    57,276.10x = 1,702,925,522.30
  5. Step 5: Solve for x
    x = 1,702,925,522.30/57,276.10
  6. Step 6: Final answer
    x = 29,731.87

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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.