Home / 34,767.60-47,961.62-21,999.27

Finding the Fourth Proportional to 34,767.60, 47,961.62 and 21,999.27

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Solution

The fourth proportional to 34,767.60, 47,961.62 and 21,999.27 is: 30,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,767.60 : 47,961.62 = 21,999.27 : x
  2. Step 2: Convert to fraction form
    34,767.60/47,961.62 = 21,999.27/x
  3. Step 3: Cross multiply
    34,767.60x = 47,961.62 × 21,999.27
  4. Step 4: Simplify right side
    34,767.60x = 1,055,120,628.02
  5. Step 5: Solve for x
    x = 1,055,120,628.02/34,767.60
  6. Step 6: Final answer
    x = 30,347.81

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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.