Home / 65,767.44-90,737.64-40,247.18

Finding the Fourth Proportional to 65,767.44, 90,737.64 and 40,247.18

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Solution

The fourth proportional to 65,767.44, 90,737.64 and 40,247.18 is: 55,527.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,767.44 : 90,737.64 = 40,247.18 : x
  2. Step 2: Convert to fraction form
    65,767.44/90,737.64 = 40,247.18/x
  3. Step 3: Cross multiply
    65,767.44x = 90,737.64 × 40,247.18
  4. Step 4: Simplify right side
    65,767.44x = 3,651,933,676.17
  5. Step 5: Solve for x
    x = 3,651,933,676.17/65,767.44
  6. Step 6: Final answer
    x = 55,527.99

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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.