Home / 39,193.43-54,086.04-21,288.05

Finding the Fourth Proportional to 39,193.43, 54,086.04 and 21,288.05

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Solution

The fourth proportional to 39,193.43, 54,086.04 and 21,288.05 is: 29,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,193.43 : 54,086.04 = 21,288.05 : x
  2. Step 2: Convert to fraction form
    39,193.43/54,086.04 = 21,288.05/x
  3. Step 3: Cross multiply
    39,193.43x = 54,086.04 × 21,288.05
  4. Step 4: Simplify right side
    39,193.43x = 1,151,386,053.39
  5. Step 5: Solve for x
    x = 1,151,386,053.39/39,193.43
  6. Step 6: Final answer
    x = 29,377.01

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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.