Home / 47,731.10-71,487.60-22,788.68

Finding the Fourth Proportional to 47,731.10, 71,487.60 and 22,788.68

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Solution

The fourth proportional to 47,731.10, 71,487.60 and 22,788.68 is: 34,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.10 : 71,487.60 = 22,788.68 : x
  2. Step 2: Convert to fraction form
    47,731.10/71,487.60 = 22,788.68/x
  3. Step 3: Cross multiply
    47,731.10x = 71,487.60 × 22,788.68
  4. Step 4: Simplify right side
    47,731.10x = 1,629,108,040.37
  5. Step 5: Solve for x
    x = 1,629,108,040.37/47,731.10
  6. Step 6: Final answer
    x = 34,130.96

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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.