Home / 43,221.44-64,834.19-21,008.34

Finding the Fourth Proportional to 43,221.44, 64,834.19 and 21,008.34

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Solution

The fourth proportional to 43,221.44, 64,834.19 and 21,008.34 is: 31,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.44 : 64,834.19 = 21,008.34 : x
  2. Step 2: Convert to fraction form
    43,221.44/64,834.19 = 21,008.34/x
  3. Step 3: Cross multiply
    43,221.44x = 64,834.19 × 21,008.34
  4. Step 4: Simplify right side
    43,221.44x = 1,362,058,759.67
  5. Step 5: Solve for x
    x = 1,362,058,759.67/43,221.44
  6. Step 6: Final answer
    x = 31,513.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.