Home / 33,238.30-45,842.94-21,302.77

Finding the Fourth Proportional to 33,238.30, 45,842.94 and 21,302.77

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Solution

The fourth proportional to 33,238.30, 45,842.94 and 21,302.77 is: 29,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,238.30 : 45,842.94 = 21,302.77 : x
  2. Step 2: Convert to fraction form
    33,238.30/45,842.94 = 21,302.77/x
  3. Step 3: Cross multiply
    33,238.30x = 45,842.94 × 21,302.77
  4. Step 4: Simplify right side
    33,238.30x = 976,581,606.94
  5. Step 5: Solve for x
    x = 976,581,606.94/33,238.30
  6. Step 6: Final answer
    x = 29,381.21

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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.