Home / 33,165.52-45,752.96-19,729.24

Finding the Fourth Proportional to 33,165.52, 45,752.96 and 19,729.24

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Solution

The fourth proportional to 33,165.52, 45,752.96 and 19,729.24 is: 27,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.52 : 45,752.96 = 19,729.24 : x
  2. Step 2: Convert to fraction form
    33,165.52/45,752.96 = 19,729.24/x
  3. Step 3: Cross multiply
    33,165.52x = 45,752.96 × 19,729.24
  4. Step 4: Simplify right side
    33,165.52x = 902,671,128.55
  5. Step 5: Solve for x
    x = 902,671,128.55/33,165.52
  6. Step 6: Final answer
    x = 27,217.16

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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.