Home / 53,912.96-74,398.88-30,039.12

Finding the Fourth Proportional to 53,912.96, 74,398.88 and 30,039.12

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Solution

The fourth proportional to 53,912.96, 74,398.88 and 30,039.12 is: 41,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,912.96 : 74,398.88 = 30,039.12 : x
  2. Step 2: Convert to fraction form
    53,912.96/74,398.88 = 30,039.12/x
  3. Step 3: Cross multiply
    53,912.96x = 74,398.88 × 30,039.12
  4. Step 4: Simplify right side
    53,912.96x = 2,234,876,959.28
  5. Step 5: Solve for x
    x = 2,234,876,959.28/53,912.96
  6. Step 6: Final answer
    x = 41,453.43

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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.