Home / 66,828.48-92,223.27-36,615.72

Finding the Fourth Proportional to 66,828.48, 92,223.27 and 36,615.72

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Solution

The fourth proportional to 66,828.48, 92,223.27 and 36,615.72 is: 50,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,828.48 : 92,223.27 = 36,615.72 : x
  2. Step 2: Convert to fraction form
    66,828.48/92,223.27 = 36,615.72/x
  3. Step 3: Cross multiply
    66,828.48x = 92,223.27 × 36,615.72
  4. Step 4: Simplify right side
    66,828.48x = 3,376,821,431.80
  5. Step 5: Solve for x
    x = 3,376,821,431.80/66,828.48
  6. Step 6: Final answer
    x = 50,529.68

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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.