Home / 34,486.08-51,680.52-19,705.20

Finding the Fourth Proportional to 34,486.08, 51,680.52 and 19,705.20

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Solution

The fourth proportional to 34,486.08, 51,680.52 and 19,705.20 is: 29,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,486.08 : 51,680.52 = 19,705.20 : x
  2. Step 2: Convert to fraction form
    34,486.08/51,680.52 = 19,705.20/x
  3. Step 3: Cross multiply
    34,486.08x = 51,680.52 × 19,705.20
  4. Step 4: Simplify right side
    34,486.08x = 1,018,374,982.70
  5. Step 5: Solve for x
    x = 1,018,374,982.70/34,486.08
  6. Step 6: Final answer
    x = 29,530.03

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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.