Home / 39,205.98-54,104.04-21,301.02

Finding the Fourth Proportional to 39,205.98, 54,104.04 and 21,301.02

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Solution

The fourth proportional to 39,205.98, 54,104.04 and 21,301.02 is: 29,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,205.98 : 54,104.04 = 21,301.02 : x
  2. Step 2: Convert to fraction form
    39,205.98/54,104.04 = 21,301.02/x
  3. Step 3: Cross multiply
    39,205.98x = 54,104.04 × 21,301.02
  4. Step 4: Simplify right side
    39,205.98x = 1,152,471,238.12
  5. Step 5: Solve for x
    x = 1,152,471,238.12/39,205.98
  6. Step 6: Final answer
    x = 29,395.29

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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.