Home / 34,272.21-47,305.11-21,516.54

Finding the Fourth Proportional to 34,272.21, 47,305.11 and 21,516.54

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Solution

The fourth proportional to 34,272.21, 47,305.11 and 21,516.54 is: 29,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,272.21 : 47,305.11 = 21,516.54 : x
  2. Step 2: Convert to fraction form
    34,272.21/47,305.11 = 21,516.54/x
  3. Step 3: Cross multiply
    34,272.21x = 47,305.11 × 21,516.54
  4. Step 4: Simplify right side
    34,272.21x = 1,017,842,194.81
  5. Step 5: Solve for x
    x = 1,017,842,194.81/34,272.21
  6. Step 6: Final answer
    x = 29,698.76

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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.