Home / 31,784.50-43,832.10-19,035.64

Finding the Fourth Proportional to 31,784.50, 43,832.10 and 19,035.64

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Solution

The fourth proportional to 31,784.50, 43,832.10 and 19,035.64 is: 26,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,784.50 : 43,832.10 = 19,035.64 : x
  2. Step 2: Convert to fraction form
    31,784.50/43,832.10 = 19,035.64/x
  3. Step 3: Cross multiply
    31,784.50x = 43,832.10 × 19,035.64
  4. Step 4: Simplify right side
    31,784.50x = 834,372,076.04
  5. Step 5: Solve for x
    x = 834,372,076.04/31,784.50
  6. Step 6: Final answer
    x = 26,250.91

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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.