Home / 36,393.80-50,219.36-20,477.90

Finding the Fourth Proportional to 36,393.80, 50,219.36 and 20,477.90

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Solution

The fourth proportional to 36,393.80, 50,219.36 and 20,477.90 is: 28,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,393.80 : 50,219.36 = 20,477.90 : x
  2. Step 2: Convert to fraction form
    36,393.80/50,219.36 = 20,477.90/x
  3. Step 3: Cross multiply
    36,393.80x = 50,219.36 × 20,477.90
  4. Step 4: Simplify right side
    36,393.80x = 1,028,386,678.66
  5. Step 5: Solve for x
    x = 1,028,386,678.66/36,393.80
  6. Step 6: Final answer
    x = 28,257.20

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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.