Home / 30,323.96-41,864.40-20,269.46

Finding the Fourth Proportional to 30,323.96, 41,864.40 and 20,269.46

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Solution

The fourth proportional to 30,323.96, 41,864.40 and 20,269.46 is: 27,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323.96 : 41,864.40 = 20,269.46 : x
  2. Step 2: Convert to fraction form
    30,323.96/41,864.40 = 20,269.46/x
  3. Step 3: Cross multiply
    30,323.96x = 41,864.40 × 20,269.46
  4. Step 4: Simplify right side
    30,323.96x = 848,568,781.22
  5. Step 5: Solve for x
    x = 848,568,781.22/30,323.96
  6. Step 6: Final answer
    x = 27,983.44

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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.