Home / 66,543.82-91,831.91-36,330.41

Finding the Fourth Proportional to 66,543.82, 91,831.91 and 36,330.41

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Solution

The fourth proportional to 66,543.82, 91,831.91 and 36,330.41 is: 50,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,543.82 : 91,831.91 = 36,330.41 : x
  2. Step 2: Convert to fraction form
    66,543.82/91,831.91 = 36,330.41/x
  3. Step 3: Cross multiply
    66,543.82x = 91,831.91 × 36,330.41
  4. Step 4: Simplify right side
    66,543.82x = 3,336,290,941.38
  5. Step 5: Solve for x
    x = 3,336,290,941.38/66,543.82
  6. Step 6: Final answer
    x = 50,136.75

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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.