Home / 65,747.41-90,710.06-40,227.17

Finding the Fourth Proportional to 65,747.41, 90,710.06 and 40,227.17

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Solution

The fourth proportional to 65,747.41, 90,710.06 and 40,227.17 is: 55,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,747.41 : 90,710.06 = 40,227.17 : x
  2. Step 2: Convert to fraction form
    65,747.41/90,710.06 = 40,227.17/x
  3. Step 3: Cross multiply
    65,747.41x = 90,710.06 × 40,227.17
  4. Step 4: Simplify right side
    65,747.41x = 3,649,008,676.99
  5. Step 5: Solve for x
    x = 3,649,008,676.99/65,747.41
  6. Step 6: Final answer
    x = 55,500.42

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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.