Home / 39,272.62-54,196.45-21,367.76

Finding the Fourth Proportional to 39,272.62, 54,196.45 and 21,367.76

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Solution

The fourth proportional to 39,272.62, 54,196.45 and 21,367.76 is: 29,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.62 : 54,196.45 = 21,367.76 : x
  2. Step 2: Convert to fraction form
    39,272.62/54,196.45 = 21,367.76/x
  3. Step 3: Cross multiply
    39,272.62x = 54,196.45 × 21,367.76
  4. Step 4: Simplify right side
    39,272.62x = 1,158,056,736.45
  5. Step 5: Solve for x
    x = 1,158,056,736.45/39,272.62
  6. Step 6: Final answer
    x = 29,487.64

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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.