Home / 33,875.13-46,749.42-20,446.20

Finding the Fourth Proportional to 33,875.13, 46,749.42 and 20,446.20

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Solution

The fourth proportional to 33,875.13, 46,749.42 and 20,446.20 is: 28,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,875.13 : 46,749.42 = 20,446.20 : x
  2. Step 2: Convert to fraction form
    33,875.13/46,749.42 = 20,446.20/x
  3. Step 3: Cross multiply
    33,875.13x = 46,749.42 × 20,446.20
  4. Step 4: Simplify right side
    33,875.13x = 955,847,991.20
  5. Step 5: Solve for x
    x = 955,847,991.20/33,875.13
  6. Step 6: Final answer
    x = 28,216.81

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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.