Home / 39,530.99-54,554.06-21,626.00

Finding the Fourth Proportional to 39,530.99, 54,554.06 and 21,626.00

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Solution

The fourth proportional to 39,530.99, 54,554.06 and 21,626.00 is: 29,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.99 : 54,554.06 = 21,626.00 : x
  2. Step 2: Convert to fraction form
    39,530.99/54,554.06 = 21,626.00/x
  3. Step 3: Cross multiply
    39,530.99x = 54,554.06 × 21,626.00
  4. Step 4: Simplify right side
    39,530.99x = 1,179,785,720.66
  5. Step 5: Solve for x
    x = 1,179,785,720.66/39,530.99
  6. Step 6: Final answer
    x = 29,844.58

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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.