Home / 40,408.16-55,763.20-22,504.72

Finding the Fourth Proportional to 40,408.16, 55,763.20 and 22,504.72

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Solution

The fourth proportional to 40,408.16, 55,763.20 and 22,504.72 is: 31,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.16 : 55,763.20 = 22,504.72 : x
  2. Step 2: Convert to fraction form
    40,408.16/55,763.20 = 22,504.72/x
  3. Step 3: Cross multiply
    40,408.16x = 55,763.20 × 22,504.72
  4. Step 4: Simplify right side
    40,408.16x = 1,254,935,202.30
  5. Step 5: Solve for x
    x = 1,254,935,202.30/40,408.16
  6. Step 6: Final answer
    x = 31,056.48

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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.