Home / 37,765.61-52,116.57-20,770.12

Finding the Fourth Proportional to 37,765.61, 52,116.57 and 20,770.12

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Solution

The fourth proportional to 37,765.61, 52,116.57 and 20,770.12 is: 28,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.61 : 52,116.57 = 20,770.12 : x
  2. Step 2: Convert to fraction form
    37,765.61/52,116.57 = 20,770.12/x
  3. Step 3: Cross multiply
    37,765.61x = 52,116.57 × 20,770.12
  4. Step 4: Simplify right side
    37,765.61x = 1,082,467,048.45
  5. Step 5: Solve for x
    x = 1,082,467,048.45/37,765.61
  6. Step 6: Final answer
    x = 28,662.78

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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.