Home / 36,990.16-51,046.32-21,074.64

Finding the Fourth Proportional to 36,990.16, 51,046.32 and 21,074.64

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Solution

The fourth proportional to 36,990.16, 51,046.32 and 21,074.64 is: 29,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990.16 : 51,046.32 = 21,074.64 : x
  2. Step 2: Convert to fraction form
    36,990.16/51,046.32 = 21,074.64/x
  3. Step 3: Cross multiply
    36,990.16x = 51,046.32 × 21,074.64
  4. Step 4: Simplify right side
    36,990.16x = 1,075,782,817.32
  5. Step 5: Solve for x
    x = 1,075,782,817.32/36,990.16
  6. Step 6: Final answer
    x = 29,082.95

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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.