Home / 39,734.24-54,834.22-21,830.41

Finding the Fourth Proportional to 39,734.24, 54,834.22 and 21,830.41

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Solution

The fourth proportional to 39,734.24, 54,834.22 and 21,830.41 is: 30,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,734.24 : 54,834.22 = 21,830.41 : x
  2. Step 2: Convert to fraction form
    39,734.24/54,834.22 = 21,830.41/x
  3. Step 3: Cross multiply
    39,734.24x = 54,834.22 × 21,830.41
  4. Step 4: Simplify right side
    39,734.24x = 1,197,053,394.83
  5. Step 5: Solve for x
    x = 1,197,053,394.83/39,734.24
  6. Step 6: Final answer
    x = 30,126.49

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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.