Home / 37,118.40-51,223.44-20,122.74

Finding the Fourth Proportional to 37,118.40, 51,223.44 and 20,122.74

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Solution

The fourth proportional to 37,118.40, 51,223.44 and 20,122.74 is: 27,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,118.40 : 51,223.44 = 20,122.74 : x
  2. Step 2: Convert to fraction form
    37,118.40/51,223.44 = 20,122.74/x
  3. Step 3: Cross multiply
    37,118.40x = 51,223.44 × 20,122.74
  4. Step 4: Simplify right side
    37,118.40x = 1,030,755,965.03
  5. Step 5: Solve for x
    x = 1,030,755,965.03/37,118.40
  6. Step 6: Final answer
    x = 27,769.41

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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.