Home / 39,414.27-54,392.89-22,420.95

Finding the Fourth Proportional to 39,414.27, 54,392.89 and 22,420.95

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Solution

The fourth proportional to 39,414.27, 54,392.89 and 22,420.95 is: 30,941.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,414.27 : 54,392.89 = 22,420.95 : x
  2. Step 2: Convert to fraction form
    39,414.27/54,392.89 = 22,420.95/x
  3. Step 3: Cross multiply
    39,414.27x = 54,392.89 × 22,420.95
  4. Step 4: Simplify right side
    39,414.27x = 1,219,540,210.99
  5. Step 5: Solve for x
    x = 1,219,540,210.99/39,414.27
  6. Step 6: Final answer
    x = 30,941.59

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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.