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Finding the Fourth Proportional to 36,393.40, 50,219.30 and 20,477.50

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Solution

The fourth proportional to 36,393.40, 50,219.30 and 20,477.50 is: 28,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,393.40 : 50,219.30 = 20,477.50 : x
  2. Step 2: Convert to fraction form
    36,393.40/50,219.30 = 20,477.50/x
  3. Step 3: Cross multiply
    36,393.40x = 50,219.30 × 20,477.50
  4. Step 4: Simplify right side
    36,393.40x = 1,028,365,715.75
  5. Step 5: Solve for x
    x = 1,028,365,715.75/36,393.40
  6. Step 6: Final answer
    x = 28,256.93

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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.