Home / 53,933-74,432.82-40,297.38

Finding the Fourth Proportional to 53,933, 74,432.82 and 40,297.38

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Solution

The fourth proportional to 53,933, 74,432.82 and 40,297.38 is: 55,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,933 : 74,432.82 = 40,297.38 : x
  2. Step 2: Convert to fraction form
    53,933/74,432.82 = 40,297.38/x
  3. Step 3: Cross multiply
    53,933x = 74,432.82 × 40,297.38
  4. Step 4: Simplify right side
    53,933x = 2,999,447,632.01
  5. Step 5: Solve for x
    x = 2,999,447,632.01/53,933
  6. Step 6: Final answer
    x = 55,614.33

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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.