Home / 36,991.90-51,045.30-21,075.94

Finding the Fourth Proportional to 36,991.90, 51,045.30 and 21,075.94

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Solution

The fourth proportional to 36,991.90, 51,045.30 and 21,075.94 is: 29,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,991.90 : 51,045.30 = 21,075.94 : x
  2. Step 2: Convert to fraction form
    36,991.90/51,045.30 = 21,075.94/x
  3. Step 3: Cross multiply
    36,991.90x = 51,045.30 × 21,075.94
  4. Step 4: Simplify right side
    36,991.90x = 1,075,827,680.08
  5. Step 5: Solve for x
    x = 1,075,827,680.08/36,991.90
  6. Step 6: Final answer
    x = 29,082.79

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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.