Home / 43,410.12-65,125-13,829.64

Finding the Fourth Proportional to 43,410.12, 65,125 and 13,829.64

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Solution

The fourth proportional to 43,410.12, 65,125 and 13,829.64 is: 20,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,410.12 : 65,125 = 13,829.64 : x
  2. Step 2: Convert to fraction form
    43,410.12/65,125 = 13,829.64/x
  3. Step 3: Cross multiply
    43,410.12x = 65,125 × 13,829.64
  4. Step 4: Simplify right side
    43,410.12x = 900,655,305
  5. Step 5: Solve for x
    x = 900,655,305/43,410.12
  6. Step 6: Final answer
    x = 20,747.59

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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.