Home / 38,101.60-52,580.16-21,334.72

Finding the Fourth Proportional to 38,101.60, 52,580.16 and 21,334.72

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Solution

The fourth proportional to 38,101.60, 52,580.16 and 21,334.72 is: 29,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.60 : 52,580.16 = 21,334.72 : x
  2. Step 2: Convert to fraction form
    38,101.60/52,580.16 = 21,334.72/x
  3. Step 3: Cross multiply
    38,101.60x = 52,580.16 × 21,334.72
  4. Step 4: Simplify right side
    38,101.60x = 1,121,782,991.16
  5. Step 5: Solve for x
    x = 1,121,782,991.16/38,101.60
  6. Step 6: Final answer
    x = 29,441.89

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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.