Home / 36,511.28-50,396.34-21,407.20

Finding the Fourth Proportional to 36,511.28, 50,396.34 and 21,407.20

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Solution

The fourth proportional to 36,511.28, 50,396.34 and 21,407.20 is: 29,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,511.28 : 50,396.34 = 21,407.20 : x
  2. Step 2: Convert to fraction form
    36,511.28/50,396.34 = 21,407.20/x
  3. Step 3: Cross multiply
    36,511.28x = 50,396.34 × 21,407.20
  4. Step 4: Simplify right side
    36,511.28x = 1,078,844,529.65
  5. Step 5: Solve for x
    x = 1,078,844,529.65/36,511.28
  6. Step 6: Final answer
    x = 29,548.25

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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.