Home / 33,912.84-46,788.51-20,478.99

Finding the Fourth Proportional to 33,912.84, 46,788.51 and 20,478.99

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Solution

The fourth proportional to 33,912.84, 46,788.51 and 20,478.99 is: 28,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,912.84 : 46,788.51 = 20,478.99 : x
  2. Step 2: Convert to fraction form
    33,912.84/46,788.51 = 20,478.99/x
  3. Step 3: Cross multiply
    33,912.84x = 46,788.51 × 20,478.99
  4. Step 4: Simplify right side
    33,912.84x = 958,181,428.40
  5. Step 5: Solve for x
    x = 958,181,428.40/33,912.84
  6. Step 6: Final answer
    x = 28,254.24

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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.