Home / 36,991.52-51,040.32-21,071.60

Finding the Fourth Proportional to 36,991.52, 51,040.32 and 21,071.60

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Solution

The fourth proportional to 36,991.52, 51,040.32 and 21,071.60 is: 29,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,991.52 : 51,040.32 = 21,071.60 : x
  2. Step 2: Convert to fraction form
    36,991.52/51,040.32 = 21,071.60/x
  3. Step 3: Cross multiply
    36,991.52x = 51,040.32 × 21,071.60
  4. Step 4: Simplify right side
    36,991.52x = 1,075,501,206.91
  5. Step 5: Solve for x
    x = 1,075,501,206.91/36,991.52
  6. Step 6: Final answer
    x = 29,074.26

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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.