Home / 60,843.13-91,269.51-21,409.09

Finding the Fourth Proportional to 60,843.13, 91,269.51 and 21,409.09

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Solution

The fourth proportional to 60,843.13, 91,269.51 and 21,409.09 is: 32,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,843.13 : 91,269.51 = 21,409.09 : x
  2. Step 2: Convert to fraction form
    60,843.13/91,269.51 = 21,409.09/x
  3. Step 3: Cross multiply
    60,843.13x = 91,269.51 × 21,409.09
  4. Step 4: Simplify right side
    60,843.13x = 1,953,997,153.85
  5. Step 5: Solve for x
    x = 1,953,997,153.85/60,843.13
  6. Step 6: Final answer
    x = 32,115.33

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1.5x scale

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.