Home / 43,807.96-65,688.24-13,816.54

Finding the Fourth Proportional to 43,807.96, 65,688.24 and 13,816.54

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Solution

The fourth proportional to 43,807.96, 65,688.24 and 13,816.54 is: 20,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.96 : 65,688.24 = 13,816.54 : x
  2. Step 2: Convert to fraction form
    43,807.96/65,688.24 = 13,816.54/x
  3. Step 3: Cross multiply
    43,807.96x = 65,688.24 × 13,816.54
  4. Step 4: Simplify right side
    43,807.96x = 907,584,195.49
  5. Step 5: Solve for x
    x = 907,584,195.49/43,807.96
  6. Step 6: Final answer
    x = 20,717.34

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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.