Home / 31,625.22-43,516.89-30,663.30

Finding the Fourth Proportional to 31,625.22, 43,516.89 and 30,663.30

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Solution

The fourth proportional to 31,625.22, 43,516.89 and 30,663.30 is: 42,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.22 : 43,516.89 = 30,663.30 : x
  2. Step 2: Convert to fraction form
    31,625.22/43,516.89 = 30,663.30/x
  3. Step 3: Cross multiply
    31,625.22x = 43,516.89 × 30,663.30
  4. Step 4: Simplify right side
    31,625.22x = 1,334,371,453.14
  5. Step 5: Solve for x
    x = 1,334,371,453.14/31,625.22
  6. Step 6: Final answer
    x = 42,193.27

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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.