Home / 34,181.40-51,272.10-18,629.40

Finding the Fourth Proportional to 34,181.40, 51,272.10 and 18,629.40

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Solution

The fourth proportional to 34,181.40, 51,272.10 and 18,629.40 is: 27,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,181.40 : 51,272.10 = 18,629.40 : x
  2. Step 2: Convert to fraction form
    34,181.40/51,272.10 = 18,629.40/x
  3. Step 3: Cross multiply
    34,181.40x = 51,272.10 × 18,629.40
  4. Step 4: Simplify right side
    34,181.40x = 955,168,459.74
  5. Step 5: Solve for x
    x = 955,168,459.74/34,181.40
  6. Step 6: Final answer
    x = 27,944.10

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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.