Home / 40,421.44-55,774.20-22,515.99

Finding the Fourth Proportional to 40,421.44, 55,774.20 and 22,515.99

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Solution

The fourth proportional to 40,421.44, 55,774.20 and 22,515.99 is: 31,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.44 : 55,774.20 = 22,515.99 : x
  2. Step 2: Convert to fraction form
    40,421.44/55,774.20 = 22,515.99/x
  3. Step 3: Cross multiply
    40,421.44x = 55,774.20 × 22,515.99
  4. Step 4: Simplify right side
    40,421.44x = 1,255,811,329.46
  5. Step 5: Solve for x
    x = 1,255,811,329.46/40,421.44
  6. Step 6: Final answer
    x = 31,067.95

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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.