Home / 39,734.06-54,833.97-21,830.22

Finding the Fourth Proportional to 39,734.06, 54,833.97 and 21,830.22

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Solution

The fourth proportional to 39,734.06, 54,833.97 and 21,830.22 is: 30,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,734.06 : 54,833.97 = 21,830.22 : x
  2. Step 2: Convert to fraction form
    39,734.06/54,833.97 = 21,830.22/x
  3. Step 3: Cross multiply
    39,734.06x = 54,833.97 × 21,830.22
  4. Step 4: Simplify right side
    39,734.06x = 1,197,037,628.57
  5. Step 5: Solve for x
    x = 1,197,037,628.57/39,734.06
  6. Step 6: Final answer
    x = 30,126.23

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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.