Home / 40,116.20-55,362.40-22,213.18

Finding the Fourth Proportional to 40,116.20, 55,362.40 and 22,213.18

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Solution

The fourth proportional to 40,116.20, 55,362.40 and 22,213.18 is: 30,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.20 : 55,362.40 = 22,213.18 : x
  2. Step 2: Convert to fraction form
    40,116.20/55,362.40 = 22,213.18/x
  3. Step 3: Cross multiply
    40,116.20x = 55,362.40 × 22,213.18
  4. Step 4: Simplify right side
    40,116.20x = 1,229,774,956.43
  5. Step 5: Solve for x
    x = 1,229,774,956.43/40,116.20
  6. Step 6: Final answer
    x = 30,655.32

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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.