Home / 40,508.37-55,871.35-29,749.92

Finding the Fourth Proportional to 40,508.37, 55,871.35 and 29,749.92

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Solution

The fourth proportional to 40,508.37, 55,871.35 and 29,749.92 is: 41,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,508.37 : 55,871.35 = 29,749.92 : x
  2. Step 2: Convert to fraction form
    40,508.37/55,871.35 = 29,749.92/x
  3. Step 3: Cross multiply
    40,508.37x = 55,871.35 × 29,749.92
  4. Step 4: Simplify right side
    40,508.37x = 1,662,168,192.79
  5. Step 5: Solve for x
    x = 1,662,168,192.79/40,508.37
  6. Step 6: Final answer
    x = 41,032.71

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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.