Home / 40,014.64-55,218.72-22,109.27

Finding the Fourth Proportional to 40,014.64, 55,218.72 and 22,109.27

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Solution

The fourth proportional to 40,014.64, 55,218.72 and 22,109.27 is: 30,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,014.64 : 55,218.72 = 22,109.27 : x
  2. Step 2: Convert to fraction form
    40,014.64/55,218.72 = 22,109.27/x
  3. Step 3: Cross multiply
    40,014.64x = 55,218.72 × 22,109.27
  4. Step 4: Simplify right side
    40,014.64x = 1,220,845,589.53
  5. Step 5: Solve for x
    x = 1,220,845,589.53/40,014.64
  6. Step 6: Final answer
    x = 30,509.97

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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.