Home / 40,768.16-56,239.36-26,629.28

Finding the Fourth Proportional to 40,768.16, 56,239.36 and 26,629.28

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Solution

The fourth proportional to 40,768.16, 56,239.36 and 26,629.28 is: 36,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.16 : 56,239.36 = 26,629.28 : x
  2. Step 2: Convert to fraction form
    40,768.16/56,239.36 = 26,629.28/x
  3. Step 3: Cross multiply
    40,768.16x = 56,239.36 × 26,629.28
  4. Step 4: Simplify right side
    40,768.16x = 1,497,613,664.46
  5. Step 5: Solve for x
    x = 1,497,613,664.46/40,768.16
  6. Step 6: Final answer
    x = 36,734.88

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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.