Home / 37,385.62-51,591.94-20,389.54

Finding the Fourth Proportional to 37,385.62, 51,591.94 and 20,389.54

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Solution

The fourth proportional to 37,385.62, 51,591.94 and 20,389.54 is: 28,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,385.62 : 51,591.94 = 20,389.54 : x
  2. Step 2: Convert to fraction form
    37,385.62/51,591.94 = 20,389.54/x
  3. Step 3: Cross multiply
    37,385.62x = 51,591.94 × 20,389.54
  4. Step 4: Simplify right side
    37,385.62x = 1,051,935,873.33
  5. Step 5: Solve for x
    x = 1,051,935,873.33/37,385.62
  6. Step 6: Final answer
    x = 28,137.45

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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.