Home / 35,807.68-49,416.24-19,891.60

Finding the Fourth Proportional to 35,807.68, 49,416.24 and 19,891.60

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Solution

The fourth proportional to 35,807.68, 49,416.24 and 19,891.60 is: 27,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,807.68 : 49,416.24 = 19,891.60 : x
  2. Step 2: Convert to fraction form
    35,807.68/49,416.24 = 19,891.60/x
  3. Step 3: Cross multiply
    35,807.68x = 49,416.24 × 19,891.60
  4. Step 4: Simplify right side
    35,807.68x = 982,968,079.58
  5. Step 5: Solve for x
    x = 982,968,079.58/35,807.68
  6. Step 6: Final answer
    x = 27,451.32

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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.