Home / 36,895.70-50,911.37-20,980.48

Finding the Fourth Proportional to 36,895.70, 50,911.37 and 20,980.48

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Solution

The fourth proportional to 36,895.70, 50,911.37 and 20,980.48 is: 28,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,895.70 : 50,911.37 = 20,980.48 : x
  2. Step 2: Convert to fraction form
    36,895.70/50,911.37 = 20,980.48/x
  3. Step 3: Cross multiply
    36,895.70x = 50,911.37 × 20,980.48
  4. Step 4: Simplify right side
    36,895.70x = 1,068,144,905.23
  5. Step 5: Solve for x
    x = 1,068,144,905.23/36,895.70
  6. Step 6: Final answer
    x = 28,950.39

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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.