Home / 31,548.05-43,519.61-19,451.12

Finding the Fourth Proportional to 31,548.05, 43,519.61 and 19,451.12

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Solution

The fourth proportional to 31,548.05, 43,519.61 and 19,451.12 is: 26,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.05 : 43,519.61 = 19,451.12 : x
  2. Step 2: Convert to fraction form
    31,548.05/43,519.61 = 19,451.12/x
  3. Step 3: Cross multiply
    31,548.05x = 43,519.61 × 19,451.12
  4. Step 4: Simplify right side
    31,548.05x = 846,505,232.29
  5. Step 5: Solve for x
    x = 846,505,232.29/31,548.05
  6. Step 6: Final answer
    x = 26,832.25

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Double scale
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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.