Home / 74,228.85-111,334.35-20,924.82

Finding the Fourth Proportional to 74,228.85, 111,334.35 and 20,924.82

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Solution

The fourth proportional to 74,228.85, 111,334.35 and 20,924.82 is: 31,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,228.85 : 111,334.35 = 20,924.82 : x
  2. Step 2: Convert to fraction form
    74,228.85/111,334.35 = 20,924.82/x
  3. Step 3: Cross multiply
    74,228.85x = 111,334.35 × 20,924.82
  4. Step 4: Simplify right side
    74,228.85x = 2,329,651,233.57
  5. Step 5: Solve for x
    x = 2,329,651,233.57/74,228.85
  6. Step 6: Final answer
    x = 31,384.71

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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.