Home / 37,765.31-52,117.46-20,770.86

Finding the Fourth Proportional to 37,765.31, 52,117.46 and 20,770.86

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Solution

The fourth proportional to 37,765.31, 52,117.46 and 20,770.86 is: 28,664.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.31 : 52,117.46 = 20,770.86 : x
  2. Step 2: Convert to fraction form
    37,765.31/52,117.46 = 20,770.86/x
  3. Step 3: Cross multiply
    37,765.31x = 52,117.46 × 20,770.86
  4. Step 4: Simplify right side
    37,765.31x = 1,082,524,465.22
  5. Step 5: Solve for x
    x = 1,082,524,465.22/37,765.31
  6. Step 6: Final answer
    x = 28,664.52

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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.