Home / 35,619.32-49,153.46-19,486.55

Finding the Fourth Proportional to 35,619.32, 49,153.46 and 19,486.55

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Solution

The fourth proportional to 35,619.32, 49,153.46 and 19,486.55 is: 26,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.32 : 49,153.46 = 19,486.55 : x
  2. Step 2: Convert to fraction form
    35,619.32/49,153.46 = 19,486.55/x
  3. Step 3: Cross multiply
    35,619.32x = 49,153.46 × 19,486.55
  4. Step 4: Simplify right side
    35,619.32x = 957,831,355.96
  5. Step 5: Solve for x
    x = 957,831,355.96/35,619.32
  6. Step 6: Final answer
    x = 26,890.78

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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.