Home / 33,861.92-46,752.54-21,120.08

Finding the Fourth Proportional to 33,861.92, 46,752.54 and 21,120.08

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Solution

The fourth proportional to 33,861.92, 46,752.54 and 21,120.08 is: 29,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,861.92 : 46,752.54 = 21,120.08 : x
  2. Step 2: Convert to fraction form
    33,861.92/46,752.54 = 21,120.08/x
  3. Step 3: Cross multiply
    33,861.92x = 46,752.54 × 21,120.08
  4. Step 4: Simplify right side
    33,861.92x = 987,417,385.00
  5. Step 5: Solve for x
    x = 987,417,385.00/33,861.92
  6. Step 6: Final answer
    x = 29,160.11

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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.