Home / 37,651.14-51,958.10-21,518.28

Finding the Fourth Proportional to 37,651.14, 51,958.10 and 21,518.28

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Solution

The fourth proportional to 37,651.14, 51,958.10 and 21,518.28 is: 29,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,651.14 : 51,958.10 = 21,518.28 : x
  2. Step 2: Convert to fraction form
    37,651.14/51,958.10 = 21,518.28/x
  3. Step 3: Cross multiply
    37,651.14x = 51,958.10 × 21,518.28
  4. Step 4: Simplify right side
    37,651.14x = 1,118,048,944.07
  5. Step 5: Solve for x
    x = 1,118,048,944.07/37,651.14
  6. Step 6: Final answer
    x = 29,694.96

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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.