Home / 33,284.85-45,939-19,672.32

Finding the Fourth Proportional to 33,284.85, 45,939 and 19,672.32

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Solution

The fourth proportional to 33,284.85, 45,939 and 19,672.32 is: 27,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,284.85 : 45,939 = 19,672.32 : x
  2. Step 2: Convert to fraction form
    33,284.85/45,939 = 19,672.32/x
  3. Step 3: Cross multiply
    33,284.85x = 45,939 × 19,672.32
  4. Step 4: Simplify right side
    33,284.85x = 903,726,708.48
  5. Step 5: Solve for x
    x = 903,726,708.48/33,284.85
  6. Step 6: Final answer
    x = 27,151.29

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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.