Home / 35,828.56-49,443.06-19,912.67

Finding the Fourth Proportional to 35,828.56, 49,443.06 and 19,912.67

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Solution

The fourth proportional to 35,828.56, 49,443.06 and 19,912.67 is: 27,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.56 : 49,443.06 = 19,912.67 : x
  2. Step 2: Convert to fraction form
    35,828.56/49,443.06 = 19,912.67/x
  3. Step 3: Cross multiply
    35,828.56x = 49,443.06 × 19,912.67
  4. Step 4: Simplify right side
    35,828.56x = 984,543,287.79
  5. Step 5: Solve for x
    x = 984,543,287.79/35,828.56
  6. Step 6: Final answer
    x = 27,479.29

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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.