Home / 47,744.60-71,569.65-21,105.05

Finding the Fourth Proportional to 47,744.60, 71,569.65 and 21,105.05

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Solution

The fourth proportional to 47,744.60, 71,569.65 and 21,105.05 is: 31,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,744.60 : 71,569.65 = 21,105.05 : x
  2. Step 2: Convert to fraction form
    47,744.60/71,569.65 = 21,105.05/x
  3. Step 3: Cross multiply
    47,744.60x = 71,569.65 × 21,105.05
  4. Step 4: Simplify right side
    47,744.60x = 1,510,481,041.73
  5. Step 5: Solve for x
    x = 1,510,481,041.73/47,744.60
  6. Step 6: Final answer
    x = 31,636.69

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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.