Home / 31,405.92-43,305.60-26,623.68

Finding the Fourth Proportional to 31,405.92, 43,305.60 and 26,623.68

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Solution

The fourth proportional to 31,405.92, 43,305.60 and 26,623.68 is: 36,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,405.92 : 43,305.60 = 26,623.68 : x
  2. Step 2: Convert to fraction form
    31,405.92/43,305.60 = 26,623.68/x
  3. Step 3: Cross multiply
    31,405.92x = 43,305.60 × 26,623.68
  4. Step 4: Simplify right side
    31,405.92x = 1,152,954,436.61
  5. Step 5: Solve for x
    x = 1,152,954,436.61/31,405.92
  6. Step 6: Final answer
    x = 36,711.37

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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.