Home / 31,245.34-43,091.29-22,152.75

Finding the Fourth Proportional to 31,245.34, 43,091.29 and 22,152.75

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Solution

The fourth proportional to 31,245.34, 43,091.29 and 22,152.75 is: 30,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245.34 : 43,091.29 = 22,152.75 : x
  2. Step 2: Convert to fraction form
    31,245.34/43,091.29 = 22,152.75/x
  3. Step 3: Cross multiply
    31,245.34x = 43,091.29 × 22,152.75
  4. Step 4: Simplify right side
    31,245.34x = 954,590,248.33
  5. Step 5: Solve for x
    x = 954,590,248.33/31,245.34
  6. Step 6: Final answer
    x = 30,551.45

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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.