Home / 33,119.00-45,703.25-18,780.14

Finding the Fourth Proportional to 33,119.00, 45,703.25 and 18,780.14

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Solution

The fourth proportional to 33,119.00, 45,703.25 and 18,780.14 is: 25,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,119.00 : 45,703.25 = 18,780.14 : x
  2. Step 2: Convert to fraction form
    33,119.00/45,703.25 = 18,780.14/x
  3. Step 3: Cross multiply
    33,119.00x = 45,703.25 × 18,780.14
  4. Step 4: Simplify right side
    33,119.00x = 858,313,453.81
  5. Step 5: Solve for x
    x = 858,313,453.81/33,119.00
  6. Step 6: Final answer
    x = 25,916.04

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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.