Home / 31,661.56-43,699.02-22,611.48

Finding the Fourth Proportional to 31,661.56, 43,699.02 and 22,611.48

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Solution

The fourth proportional to 31,661.56, 43,699.02 and 22,611.48 is: 31,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,661.56 : 43,699.02 = 22,611.48 : x
  2. Step 2: Convert to fraction form
    31,661.56/43,699.02 = 22,611.48/x
  3. Step 3: Cross multiply
    31,661.56x = 43,699.02 × 22,611.48
  4. Step 4: Simplify right side
    31,661.56x = 988,099,516.75
  5. Step 5: Solve for x
    x = 988,099,516.75/31,661.56
  6. Step 6: Final answer
    x = 31,208.18

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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.