Home / 39,958.98-55,143.34-22,054

Finding the Fourth Proportional to 39,958.98, 55,143.34 and 22,054

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Solution

The fourth proportional to 39,958.98, 55,143.34 and 22,054 is: 30,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.98 : 55,143.34 = 22,054 : x
  2. Step 2: Convert to fraction form
    39,958.98/55,143.34 = 22,054/x
  3. Step 3: Cross multiply
    39,958.98x = 55,143.34 × 22,054
  4. Step 4: Simplify right side
    39,958.98x = 1,216,131,220.36
  5. Step 5: Solve for x
    x = 1,216,131,220.36/39,958.98
  6. Step 6: Final answer
    x = 30,434.49

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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.