Home / 39,914.80-55,086.12-22,921.26

Finding the Fourth Proportional to 39,914.80, 55,086.12 and 22,921.26

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Solution

The fourth proportional to 39,914.80, 55,086.12 and 22,921.26 is: 31,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.80 : 55,086.12 = 22,921.26 : x
  2. Step 2: Convert to fraction form
    39,914.80/55,086.12 = 22,921.26/x
  3. Step 3: Cross multiply
    39,914.80x = 55,086.12 × 22,921.26
  4. Step 4: Simplify right side
    39,914.80x = 1,262,643,278.91
  5. Step 5: Solve for x
    x = 1,262,643,278.91/39,914.80
  6. Step 6: Final answer
    x = 31,633.46

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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.