Home / 66,831.38-92,229.24-36,619.34

Finding the Fourth Proportional to 66,831.38, 92,229.24 and 36,619.34

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Solution

The fourth proportional to 66,831.38, 92,229.24 and 36,619.34 is: 50,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,831.38 : 92,229.24 = 36,619.34 : x
  2. Step 2: Convert to fraction form
    66,831.38/92,229.24 = 36,619.34/x
  3. Step 3: Cross multiply
    66,831.38x = 92,229.24 × 36,619.34
  4. Step 4: Simplify right side
    66,831.38x = 3,377,373,897.50
  5. Step 5: Solve for x
    x = 3,377,373,897.50/66,831.38
  6. Step 6: Final answer
    x = 50,535.75

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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.