Home / 35,617.61-49,149.24-19,698.10

Finding the Fourth Proportional to 35,617.61, 49,149.24 and 19,698.10

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Solution

The fourth proportional to 35,617.61, 49,149.24 and 19,698.10 is: 27,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,617.61 : 49,149.24 = 19,698.10 : x
  2. Step 2: Convert to fraction form
    35,617.61/49,149.24 = 19,698.10/x
  3. Step 3: Cross multiply
    35,617.61x = 49,149.24 × 19,698.10
  4. Step 4: Simplify right side
    35,617.61x = 968,146,644.44
  5. Step 5: Solve for x
    x = 968,146,644.44/35,617.61
  6. Step 6: Final answer
    x = 27,181.68

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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.