Home / 40,408.76-55,763.77-23,412.63

Finding the Fourth Proportional to 40,408.76, 55,763.77 and 23,412.63

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Solution

The fourth proportional to 40,408.76, 55,763.77 and 23,412.63 is: 32,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.76 : 55,763.77 = 23,412.63 : x
  2. Step 2: Convert to fraction form
    40,408.76/55,763.77 = 23,412.63/x
  3. Step 3: Cross multiply
    40,408.76x = 55,763.77 × 23,412.63
  4. Step 4: Simplify right side
    40,408.76x = 1,305,576,397.35
  5. Step 5: Solve for x
    x = 1,305,576,397.35/40,408.76
  6. Step 6: Final answer
    x = 32,309.25

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Double scale
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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.