Home / 34,961.70-52,442.55-19,215.30

Finding the Fourth Proportional to 34,961.70, 52,442.55 and 19,215.30

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Solution

The fourth proportional to 34,961.70, 52,442.55 and 19,215.30 is: 28,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,961.70 : 52,442.55 = 19,215.30 : x
  2. Step 2: Convert to fraction form
    34,961.70/52,442.55 = 19,215.30/x
  3. Step 3: Cross multiply
    34,961.70x = 52,442.55 × 19,215.30
  4. Step 4: Simplify right side
    34,961.70x = 1,007,699,331.02
  5. Step 5: Solve for x
    x = 1,007,699,331.02/34,961.70
  6. Step 6: Final answer
    x = 28,822.95

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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.