Home / 34,734.66-47,932.83-20,394.25

Finding the Fourth Proportional to 34,734.66, 47,932.83 and 20,394.25

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Solution

The fourth proportional to 34,734.66, 47,932.83 and 20,394.25 is: 28,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,734.66 : 47,932.83 = 20,394.25 : x
  2. Step 2: Convert to fraction form
    34,734.66/47,932.83 = 20,394.25/x
  3. Step 3: Cross multiply
    34,734.66x = 47,932.83 × 20,394.25
  4. Step 4: Simplify right side
    34,734.66x = 977,553,998.40
  5. Step 5: Solve for x
    x = 977,553,998.40/34,734.66
  6. Step 6: Final answer
    x = 28,143.48

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1.5x scale

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.