Home / 31,761.25-47,643.87-10,699.57

Finding the Fourth Proportional to 31,761.25, 47,643.87 and 10,699.57

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Solution

The fourth proportional to 31,761.25, 47,643.87 and 10,699.57 is: 16,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,761.25 : 47,643.87 = 10,699.57 : x
  2. Step 2: Convert to fraction form
    31,761.25/47,643.87 = 10,699.57/x
  3. Step 3: Cross multiply
    31,761.25x = 47,643.87 × 10,699.57
  4. Step 4: Simplify right side
    31,761.25x = 509,768,922.14
  5. Step 5: Solve for x
    x = 509,768,922.14/31,761.25
  6. Step 6: Final answer
    x = 16,050.03

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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.