Home / 43,357.85-65,035.77-19,984.29

Finding the Fourth Proportional to 43,357.85, 65,035.77 and 19,984.29

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Solution

The fourth proportional to 43,357.85, 65,035.77 and 19,984.29 is: 29,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357.85 : 65,035.77 = 19,984.29 : x
  2. Step 2: Convert to fraction form
    43,357.85/65,035.77 = 19,984.29/x
  3. Step 3: Cross multiply
    43,357.85x = 65,035.77 × 19,984.29
  4. Step 4: Simplify right side
    43,357.85x = 1,299,693,613.11
  5. Step 5: Solve for x
    x = 1,299,693,613.11/43,357.85
  6. Step 6: Final answer
    x = 29,975.97

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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.