Home / 34,391.31-47,468.45-20,969.96

Finding the Fourth Proportional to 34,391.31, 47,468.45 and 20,969.96

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Solution

The fourth proportional to 34,391.31, 47,468.45 and 20,969.96 is: 28,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,391.31 : 47,468.45 = 20,969.96 : x
  2. Step 2: Convert to fraction form
    34,391.31/47,468.45 = 20,969.96/x
  3. Step 3: Cross multiply
    34,391.31x = 47,468.45 × 20,969.96
  4. Step 4: Simplify right side
    34,391.31x = 995,411,155.57
  5. Step 5: Solve for x
    x = 995,411,155.57/34,391.31
  6. Step 6: Final answer
    x = 28,943.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.