Home / 33,887.84-46,754.01-20,453.99

Finding the Fourth Proportional to 33,887.84, 46,754.01 and 20,453.99

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Solution

The fourth proportional to 33,887.84, 46,754.01 and 20,453.99 is: 28,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,887.84 : 46,754.01 = 20,453.99 : x
  2. Step 2: Convert to fraction form
    33,887.84/46,754.01 = 20,453.99/x
  3. Step 3: Cross multiply
    33,887.84x = 46,754.01 × 20,453.99
  4. Step 4: Simplify right side
    33,887.84x = 956,305,819.23
  5. Step 5: Solve for x
    x = 956,305,819.23/33,887.84
  6. Step 6: Final answer
    x = 28,219.74

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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.