Home / 37,107.08-51,208.38-20,111.86

Finding the Fourth Proportional to 37,107.08, 51,208.38 and 20,111.86

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Solution

The fourth proportional to 37,107.08, 51,208.38 and 20,111.86 is: 27,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.08 : 51,208.38 = 20,111.86 : x
  2. Step 2: Convert to fraction form
    37,107.08/51,208.38 = 20,111.86/x
  3. Step 3: Cross multiply
    37,107.08x = 51,208.38 × 20,111.86
  4. Step 4: Simplify right side
    37,107.08x = 1,029,895,769.39
  5. Step 5: Solve for x
    x = 1,029,895,769.39/37,107.08
  6. Step 6: Final answer
    x = 27,754.70

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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.