Home / 39,311.58-54,254.76-22,321.11

Finding the Fourth Proportional to 39,311.58, 54,254.76 and 22,321.11

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Solution

The fourth proportional to 39,311.58, 54,254.76 and 22,321.11 is: 30,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,311.58 : 54,254.76 = 22,321.11 : x
  2. Step 2: Convert to fraction form
    39,311.58/54,254.76 = 22,321.11/x
  3. Step 3: Cross multiply
    39,311.58x = 54,254.76 × 22,321.11
  4. Step 4: Simplify right side
    39,311.58x = 1,211,026,465.98
  5. Step 5: Solve for x
    x = 1,211,026,465.98/39,311.58
  6. Step 6: Final answer
    x = 30,805.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.