Home / 39,496.72-54,505.35-21,591.74

Finding the Fourth Proportional to 39,496.72, 54,505.35 and 21,591.74

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Solution

The fourth proportional to 39,496.72, 54,505.35 and 21,591.74 is: 29,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,496.72 : 54,505.35 = 21,591.74 : x
  2. Step 2: Convert to fraction form
    39,496.72/54,505.35 = 21,591.74/x
  3. Step 3: Cross multiply
    39,496.72x = 54,505.35 × 21,591.74
  4. Step 4: Simplify right side
    39,496.72x = 1,176,865,345.81
  5. Step 5: Solve for x
    x = 1,176,865,345.81/39,496.72
  6. Step 6: Final answer
    x = 29,796.53

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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.