Home / 37,765.93-52,115.88-20,770.16

Finding the Fourth Proportional to 37,765.93, 52,115.88 and 20,770.16

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Solution

The fourth proportional to 37,765.93, 52,115.88 and 20,770.16 is: 28,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.93 : 52,115.88 = 20,770.16 : x
  2. Step 2: Convert to fraction form
    37,765.93/52,115.88 = 20,770.16/x
  3. Step 3: Cross multiply
    37,765.93x = 52,115.88 × 20,770.16
  4. Step 4: Simplify right side
    37,765.93x = 1,082,454,866.62
  5. Step 5: Solve for x
    x = 1,082,454,866.62/37,765.93
  6. Step 6: Final answer
    x = 28,662.21

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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.