Home / 31,814.56-43,908.12-19,239.28

Finding the Fourth Proportional to 31,814.56, 43,908.12 and 19,239.28

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Solution

The fourth proportional to 31,814.56, 43,908.12 and 19,239.28 is: 26,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.56 : 43,908.12 = 19,239.28 : x
  2. Step 2: Convert to fraction form
    31,814.56/43,908.12 = 19,239.28/x
  3. Step 3: Cross multiply
    31,814.56x = 43,908.12 × 19,239.28
  4. Step 4: Simplify right side
    31,814.56x = 844,760,614.95
  5. Step 5: Solve for x
    x = 844,760,614.95/31,814.56
  6. Step 6: Final answer
    x = 26,552.64

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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.