Home / 36,409.72-50,247.03-20,495.20

Finding the Fourth Proportional to 36,409.72, 50,247.03 and 20,495.20

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Solution

The fourth proportional to 36,409.72, 50,247.03 and 20,495.20 is: 28,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,409.72 : 50,247.03 = 20,495.20 : x
  2. Step 2: Convert to fraction form
    36,409.72/50,247.03 = 20,495.20/x
  3. Step 3: Cross multiply
    36,409.72x = 50,247.03 × 20,495.20
  4. Step 4: Simplify right side
    36,409.72x = 1,029,822,929.26
  5. Step 5: Solve for x
    x = 1,029,822,929.26/36,409.72
  6. Step 6: Final answer
    x = 28,284.29

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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.