Home / 49,749.93-68,651.43-28,240.11

Finding the Fourth Proportional to 49,749.93, 68,651.43 and 28,240.11

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Solution

The fourth proportional to 49,749.93, 68,651.43 and 28,240.11 is: 38,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,749.93 : 68,651.43 = 28,240.11 : x
  2. Step 2: Convert to fraction form
    49,749.93/68,651.43 = 28,240.11/x
  3. Step 3: Cross multiply
    49,749.93x = 68,651.43 × 28,240.11
  4. Step 4: Simplify right side
    49,749.93x = 1,938,723,934.86
  5. Step 5: Solve for x
    x = 1,938,723,934.86/49,749.93
  6. Step 6: Final answer
    x = 38,969.38

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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.