Home / 56,140.27-84,137.28-22,821.42

Finding the Fourth Proportional to 56,140.27, 84,137.28 and 22,821.42

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Solution

The fourth proportional to 56,140.27, 84,137.28 and 22,821.42 is: 34,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,140.27 : 84,137.28 = 22,821.42 : x
  2. Step 2: Convert to fraction form
    56,140.27/84,137.28 = 22,821.42/x
  3. Step 3: Cross multiply
    56,140.27x = 84,137.28 × 22,821.42
  4. Step 4: Simplify right side
    56,140.27x = 1,920,131,669.74
  5. Step 5: Solve for x
    x = 1,920,131,669.74/56,140.27
  6. Step 6: Final answer
    x = 34,202.39

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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.