Home / 43,811.19-65,717.73-14,228.91

Finding the Fourth Proportional to 43,811.19, 65,717.73 and 14,228.91

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Solution

The fourth proportional to 43,811.19, 65,717.73 and 14,228.91 is: 21,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,811.19 : 65,717.73 = 14,228.91 : x
  2. Step 2: Convert to fraction form
    43,811.19/65,717.73 = 14,228.91/x
  3. Step 3: Cross multiply
    43,811.19x = 65,717.73 × 14,228.91
  4. Step 4: Simplify right side
    43,811.19x = 935,091,665.57
  5. Step 5: Solve for x
    x = 935,091,665.57/43,811.19
  6. Step 6: Final answer
    x = 21,343.67

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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.