Home / 57,028.38-85,483.22-21,465.24

Finding the Fourth Proportional to 57,028.38, 85,483.22 and 21,465.24

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Solution

The fourth proportional to 57,028.38, 85,483.22 and 21,465.24 is: 32,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,028.38 : 85,483.22 = 21,465.24 : x
  2. Step 2: Convert to fraction form
    57,028.38/85,483.22 = 21,465.24/x
  3. Step 3: Cross multiply
    57,028.38x = 85,483.22 × 21,465.24
  4. Step 4: Simplify right side
    57,028.38x = 1,834,917,725.95
  5. Step 5: Solve for x
    x = 1,834,917,725.95/57,028.38
  6. Step 6: Final answer
    x = 32,175.52

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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.