Home / 40,401.72-55,750.68-29,797.20

Finding the Fourth Proportional to 40,401.72, 55,750.68 and 29,797.20

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Solution

The fourth proportional to 40,401.72, 55,750.68 and 29,797.20 is: 41,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401.72 : 55,750.68 = 29,797.20 : x
  2. Step 2: Convert to fraction form
    40,401.72/55,750.68 = 29,797.20/x
  3. Step 3: Cross multiply
    40,401.72x = 55,750.68 × 29,797.20
  4. Step 4: Simplify right side
    40,401.72x = 1,661,214,162.10
  5. Step 5: Solve for x
    x = 1,661,214,162.10/40,401.72
  6. Step 6: Final answer
    x = 41,117.41

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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.