Home / 39,373.97-54,334.88-21,469.32

Finding the Fourth Proportional to 39,373.97, 54,334.88 and 21,469.32

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Solution

The fourth proportional to 39,373.97, 54,334.88 and 21,469.32 is: 29,627.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,373.97 : 54,334.88 = 21,469.32 : x
  2. Step 2: Convert to fraction form
    39,373.97/54,334.88 = 21,469.32/x
  3. Step 3: Cross multiply
    39,373.97x = 54,334.88 × 21,469.32
  4. Step 4: Simplify right side
    39,373.97x = 1,166,532,818.54
  5. Step 5: Solve for x
    x = 1,166,532,818.54/39,373.97
  6. Step 6: Final answer
    x = 29,627.01

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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.