Home / 34,181.20-51,313.40-21,701.20

Finding the Fourth Proportional to 34,181.20, 51,313.40 and 21,701.20

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Solution

The fourth proportional to 34,181.20, 51,313.40 and 21,701.20 is: 32,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,181.20 : 51,313.40 = 21,701.20 : x
  2. Step 2: Convert to fraction form
    34,181.20/51,313.40 = 21,701.20/x
  3. Step 3: Cross multiply
    34,181.20x = 51,313.40 × 21,701.20
  4. Step 4: Simplify right side
    34,181.20x = 1,113,562,356.08
  5. Step 5: Solve for x
    x = 1,113,562,356.08/34,181.20
  6. Step 6: Final answer
    x = 32,578.21

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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.