Home / 38,103.13-52,582.26-21,336.13

Finding the Fourth Proportional to 38,103.13, 52,582.26 and 21,336.13

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Solution

The fourth proportional to 38,103.13, 52,582.26 and 21,336.13 is: 29,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.13 : 52,582.26 = 21,336.13 : x
  2. Step 2: Convert to fraction form
    38,103.13/52,582.26 = 21,336.13/x
  3. Step 3: Cross multiply
    38,103.13x = 52,582.26 × 21,336.13
  4. Step 4: Simplify right side
    38,103.13x = 1,121,901,935.05
  5. Step 5: Solve for x
    x = 1,121,901,935.05/38,103.13
  6. Step 6: Final answer
    x = 29,443.83

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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.