Home / 33,118.42-45,687.36-19,680.17

Finding the Fourth Proportional to 33,118.42, 45,687.36 and 19,680.17

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Solution

The fourth proportional to 33,118.42, 45,687.36 and 19,680.17 is: 27,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,118.42 : 45,687.36 = 19,680.17 : x
  2. Step 2: Convert to fraction form
    33,118.42/45,687.36 = 19,680.17/x
  3. Step 3: Cross multiply
    33,118.42x = 45,687.36 × 19,680.17
  4. Step 4: Simplify right side
    33,118.42x = 899,134,746.31
  5. Step 5: Solve for x
    x = 899,134,746.31/33,118.42
  6. Step 6: Final answer
    x = 27,149.08

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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.