Home / 35,617.96-49,153.26-20,513.28

Finding the Fourth Proportional to 35,617.96, 49,153.26 and 20,513.28

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Solution

The fourth proportional to 35,617.96, 49,153.26 and 20,513.28 is: 28,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,617.96 : 49,153.26 = 20,513.28 : x
  2. Step 2: Convert to fraction form
    35,617.96/49,153.26 = 20,513.28/x
  3. Step 3: Cross multiply
    35,617.96x = 49,153.26 × 20,513.28
  4. Step 4: Simplify right side
    35,617.96x = 1,008,294,846.54
  5. Step 5: Solve for x
    x = 1,008,294,846.54/35,617.96
  6. Step 6: Final answer
    x = 28,308.61

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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.