Home / 37,125.09-51,235.34-21,209.19

Finding the Fourth Proportional to 37,125.09, 51,235.34 and 21,209.19

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Solution

The fourth proportional to 37,125.09, 51,235.34 and 21,209.19 is: 29,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,125.09 : 51,235.34 = 21,209.19 : x
  2. Step 2: Convert to fraction form
    37,125.09/51,235.34 = 21,209.19/x
  3. Step 3: Cross multiply
    37,125.09x = 51,235.34 × 21,209.19
  4. Step 4: Simplify right side
    37,125.09x = 1,086,659,954.73
  5. Step 5: Solve for x
    x = 1,086,659,954.73/37,125.09
  6. Step 6: Final answer
    x = 29,270.23

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Half scale
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Double scale
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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.