Home / 36,980.54-51,038.42-21,066.47

Finding the Fourth Proportional to 36,980.54, 51,038.42 and 21,066.47

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Solution

The fourth proportional to 36,980.54, 51,038.42 and 21,066.47 is: 29,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.54 : 51,038.42 = 21,066.47 : x
  2. Step 2: Convert to fraction form
    36,980.54/51,038.42 = 21,066.47/x
  3. Step 3: Cross multiply
    36,980.54x = 51,038.42 × 21,066.47
  4. Step 4: Simplify right side
    36,980.54x = 1,075,198,983.25
  5. Step 5: Solve for x
    x = 1,075,198,983.25/36,980.54
  6. Step 6: Final answer
    x = 29,074.73

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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.