Home / 36,069.08-49,764.36-20,958.80

Finding the Fourth Proportional to 36,069.08, 49,764.36 and 20,958.80

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Solution

The fourth proportional to 36,069.08, 49,764.36 and 20,958.80 is: 28,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,069.08 : 49,764.36 = 20,958.80 : x
  2. Step 2: Convert to fraction form
    36,069.08/49,764.36 = 20,958.80/x
  3. Step 3: Cross multiply
    36,069.08x = 49,764.36 × 20,958.80
  4. Step 4: Simplify right side
    36,069.08x = 1,043,001,268.37
  5. Step 5: Solve for x
    x = 1,043,001,268.37/36,069.08
  6. Step 6: Final answer
    x = 28,916.77

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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.