Home / 31,970.46-44,121.64-18,541.61

Finding the Fourth Proportional to 31,970.46, 44,121.64 and 18,541.61

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Solution

The fourth proportional to 31,970.46, 44,121.64 and 18,541.61 is: 25,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,970.46 : 44,121.64 = 18,541.61 : x
  2. Step 2: Convert to fraction form
    31,970.46/44,121.64 = 18,541.61/x
  3. Step 3: Cross multiply
    31,970.46x = 44,121.64 × 18,541.61
  4. Step 4: Simplify right side
    31,970.46x = 818,086,020.83
  5. Step 5: Solve for x
    x = 818,086,020.83/31,970.46
  6. Step 6: Final answer
    x = 25,588.81

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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.