Home / 47,819.79-71,654.70-30,252.51

Finding the Fourth Proportional to 47,819.79, 71,654.70 and 30,252.51

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Solution

The fourth proportional to 47,819.79, 71,654.70 and 30,252.51 is: 45,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,819.79 : 71,654.70 = 30,252.51 : x
  2. Step 2: Convert to fraction form
    47,819.79/71,654.70 = 30,252.51/x
  3. Step 3: Cross multiply
    47,819.79x = 71,654.70 × 30,252.51
  4. Step 4: Simplify right side
    47,819.79x = 2,167,734,528.30
  5. Step 5: Solve for x
    x = 2,167,734,528.30/47,819.79
  6. Step 6: Final answer
    x = 45,331.33

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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.