Home / 43,738.60-65,624.10-14,157.40

Finding the Fourth Proportional to 43,738.60, 65,624.10 and 14,157.40

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Solution

The fourth proportional to 43,738.60, 65,624.10 and 14,157.40 is: 21,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,738.60 : 65,624.10 = 14,157.40 : x
  2. Step 2: Convert to fraction form
    43,738.60/65,624.10 = 14,157.40/x
  3. Step 3: Cross multiply
    43,738.60x = 65,624.10 × 14,157.40
  4. Step 4: Simplify right side
    43,738.60x = 929,066,633.34
  5. Step 5: Solve for x
    x = 929,066,633.34/43,738.60
  6. Step 6: Final answer
    x = 21,241.34

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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.