Home / 37,588.75-51,872.60-20,821.75

Finding the Fourth Proportional to 37,588.75, 51,872.60 and 20,821.75

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Solution

The fourth proportional to 37,588.75, 51,872.60 and 20,821.75 is: 28,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,588.75 : 51,872.60 = 20,821.75 : x
  2. Step 2: Convert to fraction form
    37,588.75/51,872.60 = 20,821.75/x
  3. Step 3: Cross multiply
    37,588.75x = 51,872.60 × 20,821.75
  4. Step 4: Simplify right side
    37,588.75x = 1,080,078,309.05
  5. Step 5: Solve for x
    x = 1,080,078,309.05/37,588.75
  6. Step 6: Final answer
    x = 28,734.08

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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.