Home / 30,759.31-46,145.11-9,702.61

Finding the Fourth Proportional to 30,759.31, 46,145.11 and 9,702.61

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Solution

The fourth proportional to 30,759.31, 46,145.11 and 9,702.61 is: 14,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,759.31 : 46,145.11 = 9,702.61 : x
  2. Step 2: Convert to fraction form
    30,759.31/46,145.11 = 9,702.61/x
  3. Step 3: Cross multiply
    30,759.31x = 46,145.11 × 9,702.61
  4. Step 4: Simplify right side
    30,759.31x = 447,727,866.12
  5. Step 5: Solve for x
    x = 447,727,866.12/30,759.31
  6. Step 6: Final answer
    x = 14,555.85

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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.