Home / 40,508.55-55,905.16-22,360.92

Finding the Fourth Proportional to 40,508.55, 55,905.16 and 22,360.92

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Solution

The fourth proportional to 40,508.55, 55,905.16 and 22,360.92 is: 30,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,508.55 : 55,905.16 = 22,360.92 : x
  2. Step 2: Convert to fraction form
    40,508.55/55,905.16 = 22,360.92/x
  3. Step 3: Cross multiply
    40,508.55x = 55,905.16 × 22,360.92
  4. Step 4: Simplify right side
    40,508.55x = 1,250,090,754.44
  5. Step 5: Solve for x
    x = 1,250,090,754.44/40,508.55
  6. Step 6: Final answer
    x = 30,859.92

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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.