Home / 45,718.20-68,577.30-19,404.49

Finding the Fourth Proportional to 45,718.20, 68,577.30 and 19,404.49

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Solution

The fourth proportional to 45,718.20, 68,577.30 and 19,404.49 is: 29,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,718.20 : 68,577.30 = 19,404.49 : x
  2. Step 2: Convert to fraction form
    45,718.20/68,577.30 = 19,404.49/x
  3. Step 3: Cross multiply
    45,718.20x = 68,577.30 × 19,404.49
  4. Step 4: Simplify right side
    45,718.20x = 1,330,707,532.08
  5. Step 5: Solve for x
    x = 1,330,707,532.08/45,718.20
  6. Step 6: Final answer
    x = 29,106.74

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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.