Home / 30,724.42-46,072.16-18,246.10

Finding the Fourth Proportional to 30,724.42, 46,072.16 and 18,246.10

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Solution

The fourth proportional to 30,724.42, 46,072.16 and 18,246.10 is: 27,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724.42 : 46,072.16 = 18,246.10 : x
  2. Step 2: Convert to fraction form
    30,724.42/46,072.16 = 18,246.10/x
  3. Step 3: Cross multiply
    30,724.42x = 46,072.16 × 18,246.10
  4. Step 4: Simplify right side
    30,724.42x = 840,637,238.58
  5. Step 5: Solve for x
    x = 840,637,238.58/30,724.42
  6. Step 6: Final answer
    x = 27,360.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.