Home / 47,854.20-71,752.32-19,792.68

Finding the Fourth Proportional to 47,854.20, 71,752.32 and 19,792.68

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Solution

The fourth proportional to 47,854.20, 71,752.32 and 19,792.68 is: 29,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.20 : 71,752.32 = 19,792.68 : x
  2. Step 2: Convert to fraction form
    47,854.20/71,752.32 = 19,792.68/x
  3. Step 3: Cross multiply
    47,854.20x = 71,752.32 × 19,792.68
  4. Step 4: Simplify right side
    47,854.20x = 1,420,170,709.02
  5. Step 5: Solve for x
    x = 1,420,170,709.02/47,854.20
  6. Step 6: Final answer
    x = 29,677.03

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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.