Home / 35,724.35-49,297.20-19,808.21

Finding the Fourth Proportional to 35,724.35, 49,297.20 and 19,808.21

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Solution

The fourth proportional to 35,724.35, 49,297.20 and 19,808.21 is: 27,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,724.35 : 49,297.20 = 19,808.21 : x
  2. Step 2: Convert to fraction form
    35,724.35/49,297.20 = 19,808.21/x
  3. Step 3: Cross multiply
    35,724.35x = 49,297.20 × 19,808.21
  4. Step 4: Simplify right side
    35,724.35x = 976,489,290.01
  5. Step 5: Solve for x
    x = 976,489,290.01/35,724.35
  6. Step 6: Final answer
    x = 27,334.00

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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.