Home / 65,831.01-90,847.22-40,337.43

Finding the Fourth Proportional to 65,831.01, 90,847.22 and 40,337.43

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Solution

The fourth proportional to 65,831.01, 90,847.22 and 40,337.43 is: 55,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,831.01 : 90,847.22 = 40,337.43 : x
  2. Step 2: Convert to fraction form
    65,831.01/90,847.22 = 40,337.43/x
  3. Step 3: Cross multiply
    65,831.01x = 90,847.22 × 40,337.43
  4. Step 4: Simplify right side
    65,831.01x = 3,664,543,175.76
  5. Step 5: Solve for x
    x = 3,664,543,175.76/65,831.01
  6. Step 6: Final answer
    x = 55,665.91

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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.