Home / 33,126.82-45,698.91-19,688.57

Finding the Fourth Proportional to 33,126.82, 45,698.91 and 19,688.57

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Solution

The fourth proportional to 33,126.82, 45,698.91 and 19,688.57 is: 27,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,126.82 : 45,698.91 = 19,688.57 : x
  2. Step 2: Convert to fraction form
    33,126.82/45,698.91 = 19,688.57/x
  3. Step 3: Cross multiply
    33,126.82x = 45,698.91 × 19,688.57
  4. Step 4: Simplify right side
    33,126.82x = 899,745,959.96
  5. Step 5: Solve for x
    x = 899,745,959.96/33,126.82
  6. Step 6: Final answer
    x = 27,160.65

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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.