Home / 40,188.09-55,296.57-32,991.54

Finding the Fourth Proportional to 40,188.09, 55,296.57 and 32,991.54

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Solution

The fourth proportional to 40,188.09, 55,296.57 and 32,991.54 is: 45,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.09 : 55,296.57 = 32,991.54 : x
  2. Step 2: Convert to fraction form
    40,188.09/55,296.57 = 32,991.54/x
  3. Step 3: Cross multiply
    40,188.09x = 55,296.57 × 32,991.54
  4. Step 4: Simplify right side
    40,188.09x = 1,824,319,001.02
  5. Step 5: Solve for x
    x = 1,824,319,001.02/40,188.09
  6. Step 6: Final answer
    x = 45,394.52

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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.