Home / 40,219.92-55,503.50-22,315.12

Finding the Fourth Proportional to 40,219.92, 55,503.50 and 22,315.12

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Solution

The fourth proportional to 40,219.92, 55,503.50 and 22,315.12 is: 30,794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,219.92 : 55,503.50 = 22,315.12 : x
  2. Step 2: Convert to fraction form
    40,219.92/55,503.50 = 22,315.12/x
  3. Step 3: Cross multiply
    40,219.92x = 55,503.50 × 22,315.12
  4. Step 4: Simplify right side
    40,219.92x = 1,238,567,262.92
  5. Step 5: Solve for x
    x = 1,238,567,262.92/40,219.92
  6. Step 6: Final answer
    x = 30,794.87

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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.