Home / 35,639.05-49,180.66-19,724.17

Finding the Fourth Proportional to 35,639.05, 49,180.66 and 19,724.17

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Solution

The fourth proportional to 35,639.05, 49,180.66 and 19,724.17 is: 27,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.05 : 49,180.66 = 19,724.17 : x
  2. Step 2: Convert to fraction form
    35,639.05/49,180.66 = 19,724.17/x
  3. Step 3: Cross multiply
    35,639.05x = 49,180.66 × 19,724.17
  4. Step 4: Simplify right side
    35,639.05x = 970,047,698.55
  5. Step 5: Solve for x
    x = 970,047,698.55/35,639.05
  6. Step 6: Final answer
    x = 27,218.67

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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.