Home / 38,286.51-57,405.14-18,285.18

Finding the Fourth Proportional to 38,286.51, 57,405.14 and 18,285.18

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Solution

The fourth proportional to 38,286.51, 57,405.14 and 18,285.18 is: 27,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.51 : 57,405.14 = 18,285.18 : x
  2. Step 2: Convert to fraction form
    38,286.51/57,405.14 = 18,285.18/x
  3. Step 3: Cross multiply
    38,286.51x = 57,405.14 × 18,285.18
  4. Step 4: Simplify right side
    38,286.51x = 1,049,663,226.40
  5. Step 5: Solve for x
    x = 1,049,663,226.40/38,286.51
  6. Step 6: Final answer
    x = 27,416.01

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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.