Home / 38,215.43-57,324.43-10,138.32

Finding the Fourth Proportional to 38,215.43, 57,324.43 and 10,138.32

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Solution

The fourth proportional to 38,215.43, 57,324.43 and 10,138.32 is: 15,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,215.43 : 57,324.43 = 10,138.32 : x
  2. Step 2: Convert to fraction form
    38,215.43/57,324.43 = 10,138.32/x
  3. Step 3: Cross multiply
    38,215.43x = 57,324.43 × 10,138.32
  4. Step 4: Simplify right side
    38,215.43x = 581,173,415.16
  5. Step 5: Solve for x
    x = 581,173,415.16/38,215.43
  6. Step 6: Final answer
    x = 15,207.82

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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.