Home / 40,032.64-55,237.44-25,121.92

Finding the Fourth Proportional to 40,032.64, 55,237.44 and 25,121.92

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Solution

The fourth proportional to 40,032.64, 55,237.44 and 25,121.92 is: 34,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032.64 : 55,237.44 = 25,121.92 : x
  2. Step 2: Convert to fraction form
    40,032.64/55,237.44 = 25,121.92/x
  3. Step 3: Cross multiply
    40,032.64x = 55,237.44 × 25,121.92
  4. Step 4: Simplify right side
    40,032.64x = 1,387,670,548.68
  5. Step 5: Solve for x
    x = 1,387,670,548.68/40,032.64
  6. Step 6: Final answer
    x = 34,663.48

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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.