Home / 35,782.14-49,375.71-20,679.66

Finding the Fourth Proportional to 35,782.14, 49,375.71 and 20,679.66

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Solution

The fourth proportional to 35,782.14, 49,375.71 and 20,679.66 is: 28,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,782.14 : 49,375.71 = 20,679.66 : x
  2. Step 2: Convert to fraction form
    35,782.14/49,375.71 = 20,679.66/x
  3. Step 3: Cross multiply
    35,782.14x = 49,375.71 × 20,679.66
  4. Step 4: Simplify right side
    35,782.14x = 1,021,072,895.06
  5. Step 5: Solve for x
    x = 1,021,072,895.06/35,782.14
  6. Step 6: Final answer
    x = 28,535.83

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1.5x scale

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.