Home / 43,912.16-65,861.40-14,323.42

Finding the Fourth Proportional to 43,912.16, 65,861.40 and 14,323.42

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Solution

The fourth proportional to 43,912.16, 65,861.40 and 14,323.42 is: 21,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,912.16 : 65,861.40 = 14,323.42 : x
  2. Step 2: Convert to fraction form
    43,912.16/65,861.40 = 14,323.42/x
  3. Step 3: Cross multiply
    43,912.16x = 65,861.40 × 14,323.42
  4. Step 4: Simplify right side
    43,912.16x = 943,360,259.56
  5. Step 5: Solve for x
    x = 943,360,259.56/43,912.16
  6. Step 6: Final answer
    x = 21,482.89

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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.