Home / 40,353.98-55,682.49-22,449.20

Finding the Fourth Proportional to 40,353.98, 55,682.49 and 22,449.20

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Solution

The fourth proportional to 40,353.98, 55,682.49 and 22,449.20 is: 30,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,353.98 : 55,682.49 = 22,449.20 : x
  2. Step 2: Convert to fraction form
    40,353.98/55,682.49 = 22,449.20/x
  3. Step 3: Cross multiply
    40,353.98x = 55,682.49 × 22,449.20
  4. Step 4: Simplify right side
    40,353.98x = 1,250,027,354.51
  5. Step 5: Solve for x
    x = 1,250,027,354.51/40,353.98
  6. Step 6: Final answer
    x = 30,976.56

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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.