Home / 53,832.48-74,272.10-30,545.09

Finding the Fourth Proportional to 53,832.48, 74,272.10 and 30,545.09

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Solution

The fourth proportional to 53,832.48, 74,272.10 and 30,545.09 is: 42,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,832.48 : 74,272.10 = 30,545.09 : x
  2. Step 2: Convert to fraction form
    53,832.48/74,272.10 = 30,545.09/x
  3. Step 3: Cross multiply
    53,832.48x = 74,272.10 × 30,545.09
  4. Step 4: Simplify right side
    53,832.48x = 2,268,647,677.92
  5. Step 5: Solve for x
    x = 2,268,647,677.92/53,832.48
  6. Step 6: Final answer
    x = 42,142.73

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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.