Home / 39,202.36-54,097.72-21,296.96

Finding the Fourth Proportional to 39,202.36, 54,097.72 and 21,296.96

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Solution

The fourth proportional to 39,202.36, 54,097.72 and 21,296.96 is: 29,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.36 : 54,097.72 = 21,296.96 : x
  2. Step 2: Convert to fraction form
    39,202.36/54,097.72 = 21,296.96/x
  3. Step 3: Cross multiply
    39,202.36x = 54,097.72 × 21,296.96
  4. Step 4: Simplify right side
    39,202.36x = 1,152,116,978.93
  5. Step 5: Solve for x
    x = 1,152,116,978.93/39,202.36
  6. Step 6: Final answer
    x = 29,388.97

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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.