Home / 57,118.12-85,682.93-19,673.26

Finding the Fourth Proportional to 57,118.12, 85,682.93 and 19,673.26

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Solution

The fourth proportional to 57,118.12, 85,682.93 and 19,673.26 is: 29,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,118.12 : 85,682.93 = 19,673.26 : x
  2. Step 2: Convert to fraction form
    57,118.12/85,682.93 = 19,673.26/x
  3. Step 3: Cross multiply
    57,118.12x = 85,682.93 × 19,673.26
  4. Step 4: Simplify right side
    57,118.12x = 1,685,662,559.45
  5. Step 5: Solve for x
    x = 1,685,662,559.45/57,118.12
  6. Step 6: Final answer
    x = 29,511.87

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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.