Home / 43,409.24-65,118.64-13,816.70

Finding the Fourth Proportional to 43,409.24, 65,118.64 and 13,816.70

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Solution

The fourth proportional to 43,409.24, 65,118.64 and 13,816.70 is: 20,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,409.24 : 65,118.64 = 13,816.70 : x
  2. Step 2: Convert to fraction form
    43,409.24/65,118.64 = 13,816.70/x
  3. Step 3: Cross multiply
    43,409.24x = 65,118.64 × 13,816.70
  4. Step 4: Simplify right side
    43,409.24x = 899,724,644.20
  5. Step 5: Solve for x
    x = 899,724,644.20/43,409.24
  6. Step 6: Final answer
    x = 20,726.57

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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.