Home / 66,828.24-92,221.56-36,612.09

Finding the Fourth Proportional to 66,828.24, 92,221.56 and 36,612.09

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Solution

The fourth proportional to 66,828.24, 92,221.56 and 36,612.09 is: 50,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,828.24 : 92,221.56 = 36,612.09 : x
  2. Step 2: Convert to fraction form
    66,828.24/92,221.56 = 36,612.09/x
  3. Step 3: Cross multiply
    66,828.24x = 92,221.56 × 36,612.09
  4. Step 4: Simplify right side
    66,828.24x = 3,376,424,054.66
  5. Step 5: Solve for x
    x = 3,376,424,054.66/66,828.24
  6. Step 6: Final answer
    x = 50,523.91

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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.