Home / 35,319.65-48,738.31-20,208.84

Finding the Fourth Proportional to 35,319.65, 48,738.31 and 20,208.84

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Solution

The fourth proportional to 35,319.65, 48,738.31 and 20,208.84 is: 27,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.65 : 48,738.31 = 20,208.84 : x
  2. Step 2: Convert to fraction form
    35,319.65/48,738.31 = 20,208.84/x
  3. Step 3: Cross multiply
    35,319.65x = 48,738.31 × 20,208.84
  4. Step 4: Simplify right side
    35,319.65x = 984,944,749.52
  5. Step 5: Solve for x
    x = 984,944,749.52/35,319.65
  6. Step 6: Final answer
    x = 27,886.60

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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.