Home / 73,217.35-109,826.01-20,620

Finding the Fourth Proportional to 73,217.35, 109,826.01 and 20,620

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Solution

The fourth proportional to 73,217.35, 109,826.01 and 20,620 is: 30,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,217.35 : 109,826.01 = 20,620 : x
  2. Step 2: Convert to fraction form
    73,217.35/109,826.01 = 20,620/x
  3. Step 3: Cross multiply
    73,217.35x = 109,826.01 × 20,620
  4. Step 4: Simplify right side
    73,217.35x = 2,264,612,326.20
  5. Step 5: Solve for x
    x = 2,264,612,326.20/73,217.35
  6. Step 6: Final answer
    x = 30,930.00

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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.