Home / 39,586.00-54,625.83-21,678.11

Finding the Fourth Proportional to 39,586.00, 54,625.83 and 21,678.11

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Solution

The fourth proportional to 39,586.00, 54,625.83 and 21,678.11 is: 29,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.00 : 54,625.83 = 21,678.11 : x
  2. Step 2: Convert to fraction form
    39,586.00/54,625.83 = 21,678.11/x
  3. Step 3: Cross multiply
    39,586.00x = 54,625.83 × 21,678.11
  4. Step 4: Simplify right side
    39,586.00x = 1,184,184,751.58
  5. Step 5: Solve for x
    x = 1,184,184,751.58/39,586.00
  6. Step 6: Final answer
    x = 29,914.23

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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.