Home / 33,336.87-45,983.21-21,381.27

Finding the Fourth Proportional to 33,336.87, 45,983.21 and 21,381.27

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Solution

The fourth proportional to 33,336.87, 45,983.21 and 21,381.27 is: 29,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,336.87 : 45,983.21 = 21,381.27 : x
  2. Step 2: Convert to fraction form
    33,336.87/45,983.21 = 21,381.27/x
  3. Step 3: Cross multiply
    33,336.87x = 45,983.21 × 21,381.27
  4. Step 4: Simplify right side
    33,336.87x = 983,179,321.57
  5. Step 5: Solve for x
    x = 983,179,321.57/33,336.87
  6. Step 6: Final answer
    x = 29,492.25

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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.