Home / 31,234.92-43,089.30-19,293.96

Finding the Fourth Proportional to 31,234.92, 43,089.30 and 19,293.96

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Solution

The fourth proportional to 31,234.92, 43,089.30 and 19,293.96 is: 26,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.92 : 43,089.30 = 19,293.96 : x
  2. Step 2: Convert to fraction form
    31,234.92/43,089.30 = 19,293.96/x
  3. Step 3: Cross multiply
    31,234.92x = 43,089.30 × 19,293.96
  4. Step 4: Simplify right side
    31,234.92x = 831,363,230.63
  5. Step 5: Solve for x
    x = 831,363,230.63/31,234.92
  6. Step 6: Final answer
    x = 26,616.47

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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.