Home / 35,855.16-49,481.34-19,723.17

Finding the Fourth Proportional to 35,855.16, 49,481.34 and 19,723.17

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Solution

The fourth proportional to 35,855.16, 49,481.34 and 19,723.17 is: 27,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.16 : 49,481.34 = 19,723.17 : x
  2. Step 2: Convert to fraction form
    35,855.16/49,481.34 = 19,723.17/x
  3. Step 3: Cross multiply
    35,855.16x = 49,481.34 × 19,723.17
  4. Step 4: Simplify right side
    35,855.16x = 975,928,880.65
  5. Step 5: Solve for x
    x = 975,928,880.65/35,855.16
  6. Step 6: Final answer
    x = 27,218.65

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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.