Home / 35,617.20-49,149.63-19,700.70

Finding the Fourth Proportional to 35,617.20, 49,149.63 and 19,700.70

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Solution

The fourth proportional to 35,617.20, 49,149.63 and 19,700.70 is: 27,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,617.20 : 49,149.63 = 19,700.70 : x
  2. Step 2: Convert to fraction form
    35,617.20/49,149.63 = 19,700.70/x
  3. Step 3: Cross multiply
    35,617.20x = 49,149.63 × 19,700.70
  4. Step 4: Simplify right side
    35,617.20x = 968,282,115.74
  5. Step 5: Solve for x
    x = 968,282,115.74/35,617.20
  6. Step 6: Final answer
    x = 27,185.80

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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.