Home / 36,980.68-51,020.87-21,053.85

Finding the Fourth Proportional to 36,980.68, 51,020.87 and 21,053.85

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Solution

The fourth proportional to 36,980.68, 51,020.87 and 21,053.85 is: 29,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.68 : 51,020.87 = 21,053.85 : x
  2. Step 2: Convert to fraction form
    36,980.68/51,020.87 = 21,053.85/x
  3. Step 3: Cross multiply
    36,980.68x = 51,020.87 × 21,053.85
  4. Step 4: Simplify right side
    36,980.68x = 1,074,185,743.85
  5. Step 5: Solve for x
    x = 1,074,185,743.85/36,980.68
  6. Step 6: Final answer
    x = 29,047.21

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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.