Home / 33,621.36-46,396.80-21,053.04

Finding the Fourth Proportional to 33,621.36, 46,396.80 and 21,053.04

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Solution

The fourth proportional to 33,621.36, 46,396.80 and 21,053.04 is: 29,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,621.36 : 46,396.80 = 21,053.04 : x
  2. Step 2: Convert to fraction form
    33,621.36/46,396.80 = 21,053.04/x
  3. Step 3: Cross multiply
    33,621.36x = 46,396.80 × 21,053.04
  4. Step 4: Simplify right side
    33,621.36x = 976,793,686.27
  5. Step 5: Solve for x
    x = 976,793,686.27/33,621.36
  6. Step 6: Final answer
    x = 29,052.77

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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.