Home / 56,101.42-84,151.45-16,121.39

Finding the Fourth Proportional to 56,101.42, 84,151.45 and 16,121.39

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Solution

The fourth proportional to 56,101.42, 84,151.45 and 16,121.39 is: 24,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,101.42 : 84,151.45 = 16,121.39 : x
  2. Step 2: Convert to fraction form
    56,101.42/84,151.45 = 16,121.39/x
  3. Step 3: Cross multiply
    56,101.42x = 84,151.45 × 16,121.39
  4. Step 4: Simplify right side
    56,101.42x = 1,356,638,344.52
  5. Step 5: Solve for x
    x = 1,356,638,344.52/56,101.42
  6. Step 6: Final answer
    x = 24,181.89

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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.