Home / 43,421.11-65,087.45-19,745.46

Finding the Fourth Proportional to 43,421.11, 65,087.45 and 19,745.46

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Solution

The fourth proportional to 43,421.11, 65,087.45 and 19,745.46 is: 29,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,421.11 : 65,087.45 = 19,745.46 : x
  2. Step 2: Convert to fraction form
    43,421.11/65,087.45 = 19,745.46/x
  3. Step 3: Cross multiply
    43,421.11x = 65,087.45 × 19,745.46
  4. Step 4: Simplify right side
    43,421.11x = 1,285,181,615.80
  5. Step 5: Solve for x
    x = 1,285,181,615.80/43,421.11
  6. Step 6: Final answer
    x = 29,598.08

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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.