Home / 30,390.36-41,956.24-23,163.52

Finding the Fourth Proportional to 30,390.36, 41,956.24 and 23,163.52

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Solution

The fourth proportional to 30,390.36, 41,956.24 and 23,163.52 is: 31,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,390.36 : 41,956.24 = 23,163.52 : x
  2. Step 2: Convert to fraction form
    30,390.36/41,956.24 = 23,163.52/x
  3. Step 3: Cross multiply
    30,390.36x = 41,956.24 × 23,163.52
  4. Step 4: Simplify right side
    30,390.36x = 971,854,204.36
  5. Step 5: Solve for x
    x = 971,854,204.36/30,390.36
  6. Step 6: Final answer
    x = 31,979.03

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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.