Home / 43,416.12-65,134-13,835.64

Finding the Fourth Proportional to 43,416.12, 65,134 and 13,835.64

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Solution

The fourth proportional to 43,416.12, 65,134 and 13,835.64 is: 20,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,416.12 : 65,134 = 13,835.64 : x
  2. Step 2: Convert to fraction form
    43,416.12/65,134 = 13,835.64/x
  3. Step 3: Cross multiply
    43,416.12x = 65,134 × 13,835.64
  4. Step 4: Simplify right side
    43,416.12x = 901,170,575.76
  5. Step 5: Solve for x
    x = 901,170,575.76/43,416.12
  6. Step 6: Final answer
    x = 20,756.59

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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.