Home / 39,496.48-54,505.14-21,591.56

Finding the Fourth Proportional to 39,496.48, 54,505.14 and 21,591.56

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Solution

The fourth proportional to 39,496.48, 54,505.14 and 21,591.56 is: 29,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,496.48 : 54,505.14 = 21,591.56 : x
  2. Step 2: Convert to fraction form
    39,496.48/54,505.14 = 21,591.56/x
  3. Step 3: Cross multiply
    39,496.48x = 54,505.14 × 21,591.56
  4. Step 4: Simplify right side
    39,496.48x = 1,176,851,000.62
  5. Step 5: Solve for x
    x = 1,176,851,000.62/39,496.48
  6. Step 6: Final answer
    x = 29,796.35

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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.