Home / 53,531.55-80,233.50-21,940.32

Finding the Fourth Proportional to 53,531.55, 80,233.50 and 21,940.32

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Solution

The fourth proportional to 53,531.55, 80,233.50 and 21,940.32 is: 32,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,531.55 : 80,233.50 = 21,940.32 : x
  2. Step 2: Convert to fraction form
    53,531.55/80,233.50 = 21,940.32/x
  3. Step 3: Cross multiply
    53,531.55x = 80,233.50 × 21,940.32
  4. Step 4: Simplify right side
    53,531.55x = 1,760,348,664.72
  5. Step 5: Solve for x
    x = 1,760,348,664.72/53,531.55
  6. Step 6: Final answer
    x = 32,884.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.