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Finding the Fourth Proportional to 36,709.88, 50,655.33 and 21,599.22

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Solution

The fourth proportional to 36,709.88, 50,655.33 and 21,599.22 is: 29,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,709.88 : 50,655.33 = 21,599.22 : x
  2. Step 2: Convert to fraction form
    36,709.88/50,655.33 = 21,599.22/x
  3. Step 3: Cross multiply
    36,709.88x = 50,655.33 × 21,599.22
  4. Step 4: Simplify right side
    36,709.88x = 1,094,115,616.84
  5. Step 5: Solve for x
    x = 1,094,115,616.84/36,709.88
  6. Step 6: Final answer
    x = 29,804.39

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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.