Home / 36,011.86-49,693.91-19,878.41

Finding the Fourth Proportional to 36,011.86, 49,693.91 and 19,878.41

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Solution

The fourth proportional to 36,011.86, 49,693.91 and 19,878.41 is: 27,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,011.86 : 49,693.91 = 19,878.41 : x
  2. Step 2: Convert to fraction form
    36,011.86/49,693.91 = 19,878.41/x
  3. Step 3: Cross multiply
    36,011.86x = 49,693.91 × 19,878.41
  4. Step 4: Simplify right side
    36,011.86x = 987,835,942.33
  5. Step 5: Solve for x
    x = 987,835,942.33/36,011.86
  6. Step 6: Final answer
    x = 27,430.85

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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.