Home / 39,923.54-55,091.92-22,018.66

Finding the Fourth Proportional to 39,923.54, 55,091.92 and 22,018.66

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Solution

The fourth proportional to 39,923.54, 55,091.92 and 22,018.66 is: 30,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923.54 : 55,091.92 = 22,018.66 : x
  2. Step 2: Convert to fraction form
    39,923.54/55,091.92 = 22,018.66/x
  3. Step 3: Cross multiply
    39,923.54x = 55,091.92 × 22,018.66
  4. Step 4: Simplify right side
    39,923.54x = 1,213,050,255.23
  5. Step 5: Solve for x
    x = 1,213,050,255.23/39,923.54
  6. Step 6: Final answer
    x = 30,384.34

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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.