Home / 37,819-52,190.22-21,051.64

Finding the Fourth Proportional to 37,819, 52,190.22 and 21,051.64

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Solution

The fourth proportional to 37,819, 52,190.22 and 21,051.64 is: 29,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,819 : 52,190.22 = 21,051.64 : x
  2. Step 2: Convert to fraction form
    37,819/52,190.22 = 21,051.64/x
  3. Step 3: Cross multiply
    37,819x = 52,190.22 × 21,051.64
  4. Step 4: Simplify right side
    37,819x = 1,098,689,722.96
  5. Step 5: Solve for x
    x = 1,098,689,722.96/37,819
  6. Step 6: Final answer
    x = 29,051.26

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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.