Home / 33,639.16-50,428.54-13,905.08

Finding the Fourth Proportional to 33,639.16, 50,428.54 and 13,905.08

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Solution

The fourth proportional to 33,639.16, 50,428.54 and 13,905.08 is: 20,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,639.16 : 50,428.54 = 13,905.08 : x
  2. Step 2: Convert to fraction form
    33,639.16/50,428.54 = 13,905.08/x
  3. Step 3: Cross multiply
    33,639.16x = 50,428.54 × 13,905.08
  4. Step 4: Simplify right side
    33,639.16x = 701,212,882.98
  5. Step 5: Solve for x
    x = 701,212,882.98/33,639.16
  6. Step 6: Final answer
    x = 20,845.14

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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.