Home / 43,429.42-65,143.45-13,847.06

Finding the Fourth Proportional to 43,429.42, 65,143.45 and 13,847.06

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Solution

The fourth proportional to 43,429.42, 65,143.45 and 13,847.06 is: 20,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,429.42 : 65,143.45 = 13,847.06 : x
  2. Step 2: Convert to fraction form
    43,429.42/65,143.45 = 13,847.06/x
  3. Step 3: Cross multiply
    43,429.42x = 65,143.45 × 13,847.06
  4. Step 4: Simplify right side
    43,429.42x = 902,045,144.71
  5. Step 5: Solve for x
    x = 902,045,144.71/43,429.42
  6. Step 6: Final answer
    x = 20,770.37

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1.5x scale

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.