Home / 35,680.74-49,239.84-19,765.50

Finding the Fourth Proportional to 35,680.74, 49,239.84 and 19,765.50

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Solution

The fourth proportional to 35,680.74, 49,239.84 and 19,765.50 is: 27,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.74 : 49,239.84 = 19,765.50 : x
  2. Step 2: Convert to fraction form
    35,680.74/49,239.84 = 19,765.50/x
  3. Step 3: Cross multiply
    35,680.74x = 49,239.84 × 19,765.50
  4. Step 4: Simplify right side
    35,680.74x = 973,250,057.52
  5. Step 5: Solve for x
    x = 973,250,057.52/35,680.74
  6. Step 6: Final answer
    x = 27,276.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.