Home / 39,274.43-54,198.95-21,369.56

Finding the Fourth Proportional to 39,274.43, 54,198.95 and 21,369.56

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Solution

The fourth proportional to 39,274.43, 54,198.95 and 21,369.56 is: 29,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,274.43 : 54,198.95 = 21,369.56 : x
  2. Step 2: Convert to fraction form
    39,274.43/54,198.95 = 21,369.56/x
  3. Step 3: Cross multiply
    39,274.43x = 54,198.95 × 21,369.56
  4. Step 4: Simplify right side
    39,274.43x = 1,158,207,742.61
  5. Step 5: Solve for x
    x = 1,158,207,742.61/39,274.43
  6. Step 6: Final answer
    x = 29,490.12

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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.