Home / 36,439.08-50,288.55-20,307.48

Finding the Fourth Proportional to 36,439.08, 50,288.55 and 20,307.48

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Solution

The fourth proportional to 36,439.08, 50,288.55 and 20,307.48 is: 28,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.08 : 50,288.55 = 20,307.48 : x
  2. Step 2: Convert to fraction form
    36,439.08/50,288.55 = 20,307.48/x
  3. Step 3: Cross multiply
    36,439.08x = 50,288.55 × 20,307.48
  4. Step 4: Simplify right side
    36,439.08x = 1,021,233,370.37
  5. Step 5: Solve for x
    x = 1,021,233,370.37/36,439.08
  6. Step 6: Final answer
    x = 28,025.77

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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.