Home / 38,546.06-53,193.65-21,550.91

Finding the Fourth Proportional to 38,546.06, 53,193.65 and 21,550.91

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Solution

The fourth proportional to 38,546.06, 53,193.65 and 21,550.91 is: 29,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,546.06 : 53,193.65 = 21,550.91 : x
  2. Step 2: Convert to fraction form
    38,546.06/53,193.65 = 21,550.91/x
  3. Step 3: Cross multiply
    38,546.06x = 53,193.65 × 21,550.91
  4. Step 4: Simplify right side
    38,546.06x = 1,146,371,190.00
  5. Step 5: Solve for x
    x = 1,146,371,190.00/38,546.06
  6. Step 6: Final answer
    x = 29,740.30

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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.