Home / 40,768.60-56,236.80-25,637.32

Finding the Fourth Proportional to 40,768.60, 56,236.80 and 25,637.32

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Solution

The fourth proportional to 40,768.60, 56,236.80 and 25,637.32 is: 35,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.60 : 56,236.80 = 25,637.32 : x
  2. Step 2: Convert to fraction form
    40,768.60/56,236.80 = 25,637.32/x
  3. Step 3: Cross multiply
    40,768.60x = 56,236.80 × 25,637.32
  4. Step 4: Simplify right side
    40,768.60x = 1,441,760,837.38
  5. Step 5: Solve for x
    x = 1,441,760,837.38/40,768.60
  6. Step 6: Final answer
    x = 35,364.49

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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.