Home / 43,443.16-65,163.60-13,862.80

Finding the Fourth Proportional to 43,443.16, 65,163.60 and 13,862.80

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Solution

The fourth proportional to 43,443.16, 65,163.60 and 13,862.80 is: 20,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,443.16 : 65,163.60 = 13,862.80 : x
  2. Step 2: Convert to fraction form
    43,443.16/65,163.60 = 13,862.80/x
  3. Step 3: Cross multiply
    43,443.16x = 65,163.60 × 13,862.80
  4. Step 4: Simplify right side
    43,443.16x = 903,349,954.08
  5. Step 5: Solve for x
    x = 903,349,954.08/43,443.16
  6. Step 6: Final answer
    x = 20,793.84

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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.