Home / 34,766.11-47,959.57-21,997.77

Finding the Fourth Proportional to 34,766.11, 47,959.57 and 21,997.77

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Solution

The fourth proportional to 34,766.11, 47,959.57 and 21,997.77 is: 30,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,766.11 : 47,959.57 = 21,997.77 : x
  2. Step 2: Convert to fraction form
    34,766.11/47,959.57 = 21,997.77/x
  3. Step 3: Cross multiply
    34,766.11x = 47,959.57 × 21,997.77
  4. Step 4: Simplify right side
    34,766.11x = 1,055,003,590.16
  5. Step 5: Solve for x
    x = 1,055,003,590.16/34,766.11
  6. Step 6: Final answer
    x = 30,345.75

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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.