Home / 30,402.22-45,672.52-21,994.64

Finding the Fourth Proportional to 30,402.22, 45,672.52 and 21,994.64

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Solution

The fourth proportional to 30,402.22, 45,672.52 and 21,994.64 is: 33,042.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.22 : 45,672.52 = 21,994.64 : x
  2. Step 2: Convert to fraction form
    30,402.22/45,672.52 = 21,994.64/x
  3. Step 3: Cross multiply
    30,402.22x = 45,672.52 × 21,994.64
  4. Step 4: Simplify right side
    30,402.22x = 1,004,550,635.29
  5. Step 5: Solve for x
    x = 1,004,550,635.29/30,402.22
  6. Step 6: Final answer
    x = 33,042.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.