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Finding the Fourth Proportional to 51,998.22, 71,784.09 and 36,054.99

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Solution

The fourth proportional to 51,998.22, 71,784.09 and 36,054.99 is: 49,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,998.22 : 71,784.09 = 36,054.99 : x
  2. Step 2: Convert to fraction form
    51,998.22/71,784.09 = 36,054.99/x
  3. Step 3: Cross multiply
    51,998.22x = 71,784.09 × 36,054.99
  4. Step 4: Simplify right side
    51,998.22x = 2,588,174,647.11
  5. Step 5: Solve for x
    x = 2,588,174,647.11/51,998.22
  6. Step 6: Final answer
    x = 49,774.29

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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.