Home / 45,745.70-68,618.54-19,432.04

Finding the Fourth Proportional to 45,745.70, 68,618.54 and 19,432.04

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Solution

The fourth proportional to 45,745.70, 68,618.54 and 19,432.04 is: 29,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,745.70 : 68,618.54 = 19,432.04 : x
  2. Step 2: Convert to fraction form
    45,745.70/68,618.54 = 19,432.04/x
  3. Step 3: Cross multiply
    45,745.70x = 68,618.54 × 19,432.04
  4. Step 4: Simplify right side
    45,745.70x = 1,333,397,919.51
  5. Step 5: Solve for x
    x = 1,333,397,919.51/45,745.70
  6. Step 6: Final answer
    x = 29,148.05

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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.