Home / 36,948.18-50,987.71-20,816.33

Finding the Fourth Proportional to 36,948.18, 50,987.71 and 20,816.33

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Solution

The fourth proportional to 36,948.18, 50,987.71 and 20,816.33 is: 28,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,948.18 : 50,987.71 = 20,816.33 : x
  2. Step 2: Convert to fraction form
    36,948.18/50,987.71 = 20,816.33/x
  3. Step 3: Cross multiply
    36,948.18x = 50,987.71 × 20,816.33
  4. Step 4: Simplify right side
    36,948.18x = 1,061,376,768.39
  5. Step 5: Solve for x
    x = 1,061,376,768.39/36,948.18
  6. Step 6: Final answer
    x = 28,726.09

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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.