Home / 36,980.44-51,038.32-21,066.40

Finding the Fourth Proportional to 36,980.44, 51,038.32 and 21,066.40

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Solution

The fourth proportional to 36,980.44, 51,038.32 and 21,066.40 is: 29,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.44 : 51,038.32 = 21,066.40 : x
  2. Step 2: Convert to fraction form
    36,980.44/51,038.32 = 21,066.40/x
  3. Step 3: Cross multiply
    36,980.44x = 51,038.32 × 21,066.40
  4. Step 4: Simplify right side
    36,980.44x = 1,075,193,664.45
  5. Step 5: Solve for x
    x = 1,075,193,664.45/36,980.44
  6. Step 6: Final answer
    x = 29,074.66

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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.