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Finding the Fourth Proportional to 66,846.32, 92,243.16 and 36,626.72

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Solution

The fourth proportional to 66,846.32, 92,243.16 and 36,626.72 is: 50,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,846.32 : 92,243.16 = 36,626.72 : x
  2. Step 2: Convert to fraction form
    66,846.32/92,243.16 = 36,626.72/x
  3. Step 3: Cross multiply
    66,846.32x = 92,243.16 × 36,626.72
  4. Step 4: Simplify right side
    66,846.32x = 3,378,564,393.24
  5. Step 5: Solve for x
    x = 3,378,564,393.24/66,846.32
  6. Step 6: Final answer
    x = 50,542.26

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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.