Home / 39,104.28-53,951.22-22,106.88

Finding the Fourth Proportional to 39,104.28, 53,951.22 and 22,106.88

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Solution

The fourth proportional to 39,104.28, 53,951.22 and 22,106.88 is: 30,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,104.28 : 53,951.22 = 22,106.88 : x
  2. Step 2: Convert to fraction form
    39,104.28/53,951.22 = 22,106.88/x
  3. Step 3: Cross multiply
    39,104.28x = 53,951.22 × 22,106.88
  4. Step 4: Simplify right side
    39,104.28x = 1,192,693,146.39
  5. Step 5: Solve for x
    x = 1,192,693,146.39/39,104.28
  6. Step 6: Final answer
    x = 30,500.32

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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.