Home / 35,584.86-49,100.12-21,438.48

Finding the Fourth Proportional to 35,584.86, 49,100.12 and 21,438.48

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Solution

The fourth proportional to 35,584.86, 49,100.12 and 21,438.48 is: 29,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,584.86 : 49,100.12 = 21,438.48 : x
  2. Step 2: Convert to fraction form
    35,584.86/49,100.12 = 21,438.48/x
  3. Step 3: Cross multiply
    35,584.86x = 49,100.12 × 21,438.48
  4. Step 4: Simplify right side
    35,584.86x = 1,052,631,940.62
  5. Step 5: Solve for x
    x = 1,052,631,940.62/35,584.86
  6. Step 6: Final answer
    x = 29,580.89

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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.