Home / 39,906.98-55,070.97-22,003.67

Finding the Fourth Proportional to 39,906.98, 55,070.97 and 22,003.67

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Solution

The fourth proportional to 39,906.98, 55,070.97 and 22,003.67 is: 30,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.98 : 55,070.97 = 22,003.67 : x
  2. Step 2: Convert to fraction form
    39,906.98/55,070.97 = 22,003.67/x
  3. Step 3: Cross multiply
    39,906.98x = 55,070.97 × 22,003.67
  4. Step 4: Simplify right side
    39,906.98x = 1,211,763,450.46
  5. Step 5: Solve for x
    x = 1,211,763,450.46/39,906.98
  6. Step 6: Final answer
    x = 30,364.70

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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.