Home / 52,858.62-79,268.18-21,258.01

Finding the Fourth Proportional to 52,858.62, 79,268.18 and 21,258.01

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Solution

The fourth proportional to 52,858.62, 79,268.18 and 21,258.01 is: 31,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,858.62 : 79,268.18 = 21,258.01 : x
  2. Step 2: Convert to fraction form
    52,858.62/79,268.18 = 21,258.01/x
  3. Step 3: Cross multiply
    52,858.62x = 79,268.18 × 21,258.01
  4. Step 4: Simplify right side
    52,858.62x = 1,685,083,755.92
  5. Step 5: Solve for x
    x = 1,685,083,755.92/52,858.62
  6. Step 6: Final answer
    x = 31,879.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.