Home / 32,585.82-44,990.20-21,971.58

Finding the Fourth Proportional to 32,585.82, 44,990.20 and 21,971.58

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Solution

The fourth proportional to 32,585.82, 44,990.20 and 21,971.58 is: 30,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,585.82 : 44,990.20 = 21,971.58 : x
  2. Step 2: Convert to fraction form
    32,585.82/44,990.20 = 21,971.58/x
  3. Step 3: Cross multiply
    32,585.82x = 44,990.20 × 21,971.58
  4. Step 4: Simplify right side
    32,585.82x = 988,505,778.52
  5. Step 5: Solve for x
    x = 988,505,778.52/32,585.82
  6. Step 6: Final answer
    x = 30,335.46

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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.