Home / 31,964.96-44,091.06-21,209.60

Finding the Fourth Proportional to 31,964.96, 44,091.06 and 21,209.60

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Solution

The fourth proportional to 31,964.96, 44,091.06 and 21,209.60 is: 29,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.96 : 44,091.06 = 21,209.60 : x
  2. Step 2: Convert to fraction form
    31,964.96/44,091.06 = 21,209.60/x
  3. Step 3: Cross multiply
    31,964.96x = 44,091.06 × 21,209.60
  4. Step 4: Simplify right side
    31,964.96x = 935,153,746.18
  5. Step 5: Solve for x
    x = 935,153,746.18/31,964.96
  6. Step 6: Final answer
    x = 29,255.59

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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.