Home / 31,128.87-46,692.15-17,095.47

Finding the Fourth Proportional to 31,128.87, 46,692.15 and 17,095.47

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Solution

The fourth proportional to 31,128.87, 46,692.15 and 17,095.47 is: 25,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,128.87 : 46,692.15 = 17,095.47 : x
  2. Step 2: Convert to fraction form
    31,128.87/46,692.15 = 17,095.47/x
  3. Step 3: Cross multiply
    31,128.87x = 46,692.15 × 17,095.47
  4. Step 4: Simplify right side
    31,128.87x = 798,224,249.56
  5. Step 5: Solve for x
    x = 798,224,249.56/31,128.87
  6. Step 6: Final answer
    x = 25,642.57

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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.