Home / 47,345.22-65,308.83-30,343.43

Finding the Fourth Proportional to 47,345.22, 65,308.83 and 30,343.43

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Solution

The fourth proportional to 47,345.22, 65,308.83 and 30,343.43 is: 41,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,345.22 : 65,308.83 = 30,343.43 : x
  2. Step 2: Convert to fraction form
    47,345.22/65,308.83 = 30,343.43/x
  3. Step 3: Cross multiply
    47,345.22x = 65,308.83 × 30,343.43
  4. Step 4: Simplify right side
    47,345.22x = 1,981,693,584.94
  5. Step 5: Solve for x
    x = 1,981,693,584.94/47,345.22
  6. Step 6: Final answer
    x = 41,856.25

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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.