Home / 34,308.43-51,455.64-12,122.53

Finding the Fourth Proportional to 34,308.43, 51,455.64 and 12,122.53

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Solution

The fourth proportional to 34,308.43, 51,455.64 and 12,122.53 is: 18,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,308.43 : 51,455.64 = 12,122.53 : x
  2. Step 2: Convert to fraction form
    34,308.43/51,455.64 = 12,122.53/x
  3. Step 3: Cross multiply
    34,308.43x = 51,455.64 × 12,122.53
  4. Step 4: Simplify right side
    34,308.43x = 623,772,539.57
  5. Step 5: Solve for x
    x = 623,772,539.57/34,308.43
  6. Step 6: Final answer
    x = 18,181.32

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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.