Home / 39,945.35-55,126.37-22,955.10

Finding the Fourth Proportional to 39,945.35, 55,126.37 and 22,955.10

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Solution

The fourth proportional to 39,945.35, 55,126.37 and 22,955.10 is: 31,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.35 : 55,126.37 = 22,955.10 : x
  2. Step 2: Convert to fraction form
    39,945.35/55,126.37 = 22,955.10/x
  3. Step 3: Cross multiply
    39,945.35x = 55,126.37 × 22,955.10
  4. Step 4: Simplify right side
    39,945.35x = 1,265,431,186.65
  5. Step 5: Solve for x
    x = 1,265,431,186.65/39,945.35
  6. Step 6: Final answer
    x = 31,679.06

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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.