Home / 38,086.18-57,166.16-18,378.56

Finding the Fourth Proportional to 38,086.18, 57,166.16 and 18,378.56

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Solution

The fourth proportional to 38,086.18, 57,166.16 and 18,378.56 is: 27,585.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,086.18 : 57,166.16 = 18,378.56 : x
  2. Step 2: Convert to fraction form
    38,086.18/57,166.16 = 18,378.56/x
  3. Step 3: Cross multiply
    38,086.18x = 57,166.16 × 18,378.56
  4. Step 4: Simplify right side
    38,086.18x = 1,050,631,701.53
  5. Step 5: Solve for x
    x = 1,050,631,701.53/38,086.18
  6. Step 6: Final answer
    x = 27,585.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.