Home / 38,422.43-57,633.65-10,342.55

Finding the Fourth Proportional to 38,422.43, 57,633.65 and 10,342.55

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Solution

The fourth proportional to 38,422.43, 57,633.65 and 10,342.55 is: 15,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,422.43 : 57,633.65 = 10,342.55 : x
  2. Step 2: Convert to fraction form
    38,422.43/57,633.65 = 10,342.55/x
  3. Step 3: Cross multiply
    38,422.43x = 57,633.65 × 10,342.55
  4. Step 4: Simplify right side
    38,422.43x = 596,078,906.81
  5. Step 5: Solve for x
    x = 596,078,906.81/38,422.43
  6. Step 6: Final answer
    x = 15,513.83

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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.