Home / 43,568.28-65,362.95-12,403.53

Finding the Fourth Proportional to 43,568.28, 65,362.95 and 12,403.53

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Solution

The fourth proportional to 43,568.28, 65,362.95 and 12,403.53 is: 18,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568.28 : 65,362.95 = 12,403.53 : x
  2. Step 2: Convert to fraction form
    43,568.28/65,362.95 = 12,403.53/x
  3. Step 3: Cross multiply
    43,568.28x = 65,362.95 × 12,403.53
  4. Step 4: Simplify right side
    43,568.28x = 810,731,311.21
  5. Step 5: Solve for x
    x = 810,731,311.21/43,568.28
  6. Step 6: Final answer
    x = 18,608.29

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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.