Home / 33,315.57-45,967.91-19,891.17

Finding the Fourth Proportional to 33,315.57, 45,967.91 and 19,891.17

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Solution

The fourth proportional to 33,315.57, 45,967.91 and 19,891.17 is: 27,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.57 : 45,967.91 = 19,891.17 : x
  2. Step 2: Convert to fraction form
    33,315.57/45,967.91 = 19,891.17/x
  3. Step 3: Cross multiply
    33,315.57x = 45,967.91 × 19,891.17
  4. Step 4: Simplify right side
    33,315.57x = 914,355,412.90
  5. Step 5: Solve for x
    x = 914,355,412.90/33,315.57
  6. Step 6: Final answer
    x = 27,445.29

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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.