Home / 37,118.16-51,221.16-20,347.92

Finding the Fourth Proportional to 37,118.16, 51,221.16 and 20,347.92

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Solution

The fourth proportional to 37,118.16, 51,221.16 and 20,347.92 is: 28,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,118.16 : 51,221.16 = 20,347.92 : x
  2. Step 2: Convert to fraction form
    37,118.16/51,221.16 = 20,347.92/x
  3. Step 3: Cross multiply
    37,118.16x = 51,221.16 × 20,347.92
  4. Step 4: Simplify right side
    37,118.16x = 1,042,244,065.99
  5. Step 5: Solve for x
    x = 1,042,244,065.99/37,118.16
  6. Step 6: Final answer
    x = 28,079.09

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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.