Home / 39,134.03-54,005.00-21,229.02

Finding the Fourth Proportional to 39,134.03, 54,005.00 and 21,229.02

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Solution

The fourth proportional to 39,134.03, 54,005.00 and 21,229.02 is: 29,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,134.03 : 54,005.00 = 21,229.02 : x
  2. Step 2: Convert to fraction form
    39,134.03/54,005.00 = 21,229.02/x
  3. Step 3: Cross multiply
    39,134.03x = 54,005.00 × 21,229.02
  4. Step 4: Simplify right side
    39,134.03x = 1,146,473,118.95
  5. Step 5: Solve for x
    x = 1,146,473,118.95/39,134.03
  6. Step 6: Final answer
    x = 29,296.07

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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.