Home / 39,827.49-54,961.50-21,922.11

Finding the Fourth Proportional to 39,827.49, 54,961.50 and 21,922.11

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Solution

The fourth proportional to 39,827.49, 54,961.50 and 21,922.11 is: 30,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827.49 : 54,961.50 = 21,922.11 : x
  2. Step 2: Convert to fraction form
    39,827.49/54,961.50 = 21,922.11/x
  3. Step 3: Cross multiply
    39,827.49x = 54,961.50 × 21,922.11
  4. Step 4: Simplify right side
    39,827.49x = 1,204,872,048.77
  5. Step 5: Solve for x
    x = 1,204,872,048.77/39,827.49
  6. Step 6: Final answer
    x = 30,252.27

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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.