Home / 40,221.99-55,506.15-22,319.73

Finding the Fourth Proportional to 40,221.99, 55,506.15 and 22,319.73

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Solution

The fourth proportional to 40,221.99, 55,506.15 and 22,319.73 is: 30,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.99 : 55,506.15 = 22,319.73 : x
  2. Step 2: Convert to fraction form
    40,221.99/55,506.15 = 22,319.73/x
  3. Step 3: Cross multiply
    40,221.99x = 55,506.15 × 22,319.73
  4. Step 4: Simplify right side
    40,221.99x = 1,238,882,281.34
  5. Step 5: Solve for x
    x = 1,238,882,281.34/40,221.99
  6. Step 6: Final answer
    x = 30,801.12

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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.