Home / 51,406.14-70,940.07-28,745.17

Finding the Fourth Proportional to 51,406.14, 70,940.07 and 28,745.17

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Solution

The fourth proportional to 51,406.14, 70,940.07 and 28,745.17 is: 39,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,406.14 : 70,940.07 = 28,745.17 : x
  2. Step 2: Convert to fraction form
    51,406.14/70,940.07 = 28,745.17/x
  3. Step 3: Cross multiply
    51,406.14x = 70,940.07 × 28,745.17
  4. Step 4: Simplify right side
    51,406.14x = 2,039,184,272.86
  5. Step 5: Solve for x
    x = 2,039,184,272.86/51,406.14
  6. Step 6: Final answer
    x = 39,668.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.