Home / 33,353.60-46,027.73-21,421.49

Finding the Fourth Proportional to 33,353.60, 46,027.73 and 21,421.49

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Solution

The fourth proportional to 33,353.60, 46,027.73 and 21,421.49 is: 29,561.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,353.60 : 46,027.73 = 21,421.49 : x
  2. Step 2: Convert to fraction form
    33,353.60/46,027.73 = 21,421.49/x
  3. Step 3: Cross multiply
    33,353.60x = 46,027.73 × 21,421.49
  4. Step 4: Simplify right side
    33,353.60x = 985,982,450.81
  5. Step 5: Solve for x
    x = 985,982,450.81/33,353.60
  6. Step 6: Final answer
    x = 29,561.50

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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.