Home / 36,510.36-50,384.69-20,379.21

Finding the Fourth Proportional to 36,510.36, 50,384.69 and 20,379.21

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Solution

The fourth proportional to 36,510.36, 50,384.69 and 20,379.21 is: 28,123.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,510.36 : 50,384.69 = 20,379.21 : x
  2. Step 2: Convert to fraction form
    36,510.36/50,384.69 = 20,379.21/x
  3. Step 3: Cross multiply
    36,510.36x = 50,384.69 × 20,379.21
  4. Step 4: Simplify right side
    36,510.36x = 1,026,800,202.36
  5. Step 5: Solve for x
    x = 1,026,800,202.36/36,510.36
  6. Step 6: Final answer
    x = 28,123.53

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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.