Home / 29,801.32-41,111.60-21,717.64

Finding the Fourth Proportional to 29,801.32, 41,111.60 and 21,717.64

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Solution

The fourth proportional to 29,801.32, 41,111.60 and 21,717.64 is: 29,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,801.32 : 41,111.60 = 21,717.64 : x
  2. Step 2: Convert to fraction form
    29,801.32/41,111.60 = 21,717.64/x
  3. Step 3: Cross multiply
    29,801.32x = 41,111.60 × 21,717.64
  4. Step 4: Simplify right side
    29,801.32x = 892,846,723.07
  5. Step 5: Solve for x
    x = 892,846,723.07/29,801.32
  6. Step 6: Final answer
    x = 29,959.98

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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.