Home / 34,603.30-51,872.10-12,405.25

Finding the Fourth Proportional to 34,603.30, 51,872.10 and 12,405.25

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Solution

The fourth proportional to 34,603.30, 51,872.10 and 12,405.25 is: 18,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,603.30 : 51,872.10 = 12,405.25 : x
  2. Step 2: Convert to fraction form
    34,603.30/51,872.10 = 12,405.25/x
  3. Step 3: Cross multiply
    34,603.30x = 51,872.10 × 12,405.25
  4. Step 4: Simplify right side
    34,603.30x = 643,486,386.85
  5. Step 5: Solve for x
    x = 643,486,386.85/34,603.30
  6. Step 6: Final answer
    x = 18,596.10

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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.