Home / 31,203.30-43,083.10-19,282.98

Finding the Fourth Proportional to 31,203.30, 43,083.10 and 19,282.98

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Solution

The fourth proportional to 31,203.30, 43,083.10 and 19,282.98 is: 26,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.30 : 43,083.10 = 19,282.98 : x
  2. Step 2: Convert to fraction form
    31,203.30/43,083.10 = 19,282.98/x
  3. Step 3: Cross multiply
    31,203.30x = 43,083.10 × 19,282.98
  4. Step 4: Simplify right side
    31,203.30x = 830,770,340.22
  5. Step 5: Solve for x
    x = 830,770,340.22/31,203.30
  6. Step 6: Final answer
    x = 26,624.44

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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.