Home / 39,493.82-54,501.58-21,589.04

Finding the Fourth Proportional to 39,493.82, 54,501.58 and 21,589.04

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Solution

The fourth proportional to 39,493.82, 54,501.58 and 21,589.04 is: 29,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.82 : 54,501.58 = 21,589.04 : x
  2. Step 2: Convert to fraction form
    39,493.82/54,501.58 = 21,589.04/x
  3. Step 3: Cross multiply
    39,493.82x = 54,501.58 × 21,589.04
  4. Step 4: Simplify right side
    39,493.82x = 1,176,636,790.68
  5. Step 5: Solve for x
    x = 1,176,636,790.68/39,493.82
  6. Step 6: Final answer
    x = 29,792.93

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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.