Home / 36,220.68-54,331.11-9,929.34

Finding the Fourth Proportional to 36,220.68, 54,331.11 and 9,929.34

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Solution

The fourth proportional to 36,220.68, 54,331.11 and 9,929.34 is: 14,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.68 : 54,331.11 = 9,929.34 : x
  2. Step 2: Convert to fraction form
    36,220.68/54,331.11 = 9,929.34/x
  3. Step 3: Cross multiply
    36,220.68x = 54,331.11 × 9,929.34
  4. Step 4: Simplify right side
    36,220.68x = 539,472,063.77
  5. Step 5: Solve for x
    x = 539,472,063.77/36,220.68
  6. Step 6: Final answer
    x = 14,894.03

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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.