Home / 45,571.08-68,314.86-15,972.78

Finding the Fourth Proportional to 45,571.08, 68,314.86 and 15,972.78

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Solution

The fourth proportional to 45,571.08, 68,314.86 and 15,972.78 is: 23,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,571.08 : 68,314.86 = 15,972.78 : x
  2. Step 2: Convert to fraction form
    45,571.08/68,314.86 = 15,972.78/x
  3. Step 3: Cross multiply
    45,571.08x = 68,314.86 × 15,972.78
  4. Step 4: Simplify right side
    45,571.08x = 1,091,178,229.51
  5. Step 5: Solve for x
    x = 1,091,178,229.51/45,571.08
  6. Step 6: Final answer
    x = 23,944.53

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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.