Home / 33,399.04-46,121.90-21,483.07

Finding the Fourth Proportional to 33,399.04, 46,121.90 and 21,483.07

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Solution

The fourth proportional to 33,399.04, 46,121.90 and 21,483.07 is: 29,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,399.04 : 46,121.90 = 21,483.07 : x
  2. Step 2: Convert to fraction form
    33,399.04/46,121.90 = 21,483.07/x
  3. Step 3: Cross multiply
    33,399.04x = 46,121.90 × 21,483.07
  4. Step 4: Simplify right side
    33,399.04x = 990,840,006.23
  5. Step 5: Solve for x
    x = 990,840,006.23/33,399.04
  6. Step 6: Final answer
    x = 29,666.72

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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.