Home / 43,419.24-65,133.54-13,826.70

Finding the Fourth Proportional to 43,419.24, 65,133.54 and 13,826.70

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Solution

The fourth proportional to 43,419.24, 65,133.54 and 13,826.70 is: 20,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,419.24 : 65,133.54 = 13,826.70 : x
  2. Step 2: Convert to fraction form
    43,419.24/65,133.54 = 13,826.70/x
  3. Step 3: Cross multiply
    43,419.24x = 65,133.54 × 13,826.70
  4. Step 4: Simplify right side
    43,419.24x = 900,581,917.52
  5. Step 5: Solve for x
    x = 900,581,917.52/43,419.24
  6. Step 6: Final answer
    x = 20,741.54

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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.