Home / 35,513.74-49,010.46-20,406.16

Finding the Fourth Proportional to 35,513.74, 49,010.46 and 20,406.16

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Solution

The fourth proportional to 35,513.74, 49,010.46 and 20,406.16 is: 28,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,513.74 : 49,010.46 = 20,406.16 : x
  2. Step 2: Convert to fraction form
    35,513.74/49,010.46 = 20,406.16/x
  3. Step 3: Cross multiply
    35,513.74x = 49,010.46 × 20,406.16
  4. Step 4: Simplify right side
    35,513.74x = 1,000,115,288.43
  5. Step 5: Solve for x
    x = 1,000,115,288.43/35,513.74
  6. Step 6: Final answer
    x = 28,161.36

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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.