Home / 37,765.10-52,115.87-20,769.62

Finding the Fourth Proportional to 37,765.10, 52,115.87 and 20,769.62

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Solution

The fourth proportional to 37,765.10, 52,115.87 and 20,769.62 is: 28,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.10 : 52,115.87 = 20,769.62 : x
  2. Step 2: Convert to fraction form
    37,765.10/52,115.87 = 20,769.62/x
  3. Step 3: Cross multiply
    37,765.10x = 52,115.87 × 20,769.62
  4. Step 4: Simplify right side
    37,765.10x = 1,082,426,607.21
  5. Step 5: Solve for x
    x = 1,082,426,607.21/37,765.10
  6. Step 6: Final answer
    x = 28,662.09

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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.