Home / 38,249.66-52,783.17-21,253.70

Finding the Fourth Proportional to 38,249.66, 52,783.17 and 21,253.70

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Solution

The fourth proportional to 38,249.66, 52,783.17 and 21,253.70 is: 29,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,249.66 : 52,783.17 = 21,253.70 : x
  2. Step 2: Convert to fraction form
    38,249.66/52,783.17 = 21,253.70/x
  3. Step 3: Cross multiply
    38,249.66x = 52,783.17 × 21,253.70
  4. Step 4: Simplify right side
    38,249.66x = 1,121,837,660.23
  5. Step 5: Solve for x
    x = 1,121,837,660.23/38,249.66
  6. Step 6: Final answer
    x = 29,329.35

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Double scale
Find fourth proportional to 38,250.66, 52,784.55 and 21,254.70
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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.