Home / 53,893.32-80,732.82-42,151.56

Finding the Fourth Proportional to 53,893.32, 80,732.82 and 42,151.56

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Solution

The fourth proportional to 53,893.32, 80,732.82 and 42,151.56 is: 63,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893.32 : 80,732.82 = 42,151.56 : x
  2. Step 2: Convert to fraction form
    53,893.32/80,732.82 = 42,151.56/x
  3. Step 3: Cross multiply
    53,893.32x = 80,732.82 × 42,151.56
  4. Step 4: Simplify right side
    53,893.32x = 3,403,014,306.20
  5. Step 5: Solve for x
    x = 3,403,014,306.20/53,893.32
  6. Step 6: Final answer
    x = 63,143.53

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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.