Home / 43,869.07-65,808.22-14,289.21

Finding the Fourth Proportional to 43,869.07, 65,808.22 and 14,289.21

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Solution

The fourth proportional to 43,869.07, 65,808.22 and 14,289.21 is: 21,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,869.07 : 65,808.22 = 14,289.21 : x
  2. Step 2: Convert to fraction form
    43,869.07/65,808.22 = 14,289.21/x
  3. Step 3: Cross multiply
    43,869.07x = 65,808.22 × 14,289.21
  4. Step 4: Simplify right side
    43,869.07x = 940,347,403.86
  5. Step 5: Solve for x
    x = 940,347,403.86/43,869.07
  6. Step 6: Final answer
    x = 21,435.32

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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.