Home / 32,138.73-44,376.95-21,393.93

Finding the Fourth Proportional to 32,138.73, 44,376.95 and 21,393.93

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Solution

The fourth proportional to 32,138.73, 44,376.95 and 21,393.93 is: 29,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,138.73 : 44,376.95 = 21,393.93 : x
  2. Step 2: Convert to fraction form
    32,138.73/44,376.95 = 21,393.93/x
  3. Step 3: Cross multiply
    32,138.73x = 44,376.95 × 21,393.93
  4. Step 4: Simplify right side
    32,138.73x = 949,397,361.91
  5. Step 5: Solve for x
    x = 949,397,361.91/32,138.73
  6. Step 6: Final answer
    x = 29,540.60

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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.