Home / 30,731.92-42,320.82-26,696.92

Finding the Fourth Proportional to 30,731.92, 42,320.82 and 26,696.92

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Solution

The fourth proportional to 30,731.92, 42,320.82 and 26,696.92 is: 36,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.92 : 42,320.82 = 26,696.92 : x
  2. Step 2: Convert to fraction form
    30,731.92/42,320.82 = 26,696.92/x
  3. Step 3: Cross multiply
    30,731.92x = 42,320.82 × 26,696.92
  4. Step 4: Simplify right side
    30,731.92x = 1,129,835,545.87
  5. Step 5: Solve for x
    x = 1,129,835,545.87/30,731.92
  6. Step 6: Final answer
    x = 36,764.24

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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.