Home / 22,477.06-33,736.35-21,120.78

Finding the Fourth Proportional to 22,477.06, 33,736.35 and 21,120.78

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Solution

The fourth proportional to 22,477.06, 33,736.35 and 21,120.78 is: 31,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477.06 : 33,736.35 = 21,120.78 : x
  2. Step 2: Convert to fraction form
    22,477.06/33,736.35 = 21,120.78/x
  3. Step 3: Cross multiply
    22,477.06x = 33,736.35 × 21,120.78
  4. Step 4: Simplify right side
    22,477.06x = 712,538,175.76
  5. Step 5: Solve for x
    x = 712,538,175.76/22,477.06
  6. Step 6: Final answer
    x = 31,700.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.