Home / 35,678.68-49,237.65-19,764.61

Finding the Fourth Proportional to 35,678.68, 49,237.65 and 19,764.61

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Solution

The fourth proportional to 35,678.68, 49,237.65 and 19,764.61 is: 27,275.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,678.68 : 49,237.65 = 19,764.61 : x
  2. Step 2: Convert to fraction form
    35,678.68/49,237.65 = 19,764.61/x
  3. Step 3: Cross multiply
    35,678.68x = 49,237.65 × 19,764.61
  4. Step 4: Simplify right side
    35,678.68x = 973,162,949.57
  5. Step 5: Solve for x
    x = 973,162,949.57/35,678.68
  6. Step 6: Final answer
    x = 27,275.76

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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.