Home / 47,752.91-71,604.75-21,435.09

Finding the Fourth Proportional to 47,752.91, 71,604.75 and 21,435.09

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Solution

The fourth proportional to 47,752.91, 71,604.75 and 21,435.09 is: 32,141.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,752.91 : 71,604.75 = 21,435.09 : x
  2. Step 2: Convert to fraction form
    47,752.91/71,604.75 = 21,435.09/x
  3. Step 3: Cross multiply
    47,752.91x = 71,604.75 × 21,435.09
  4. Step 4: Simplify right side
    47,752.91x = 1,534,854,260.68
  5. Step 5: Solve for x
    x = 1,534,854,260.68/47,752.91
  6. Step 6: Final answer
    x = 32,141.59

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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.