Home / 36,980.82-51,033.55-21,066.76

Finding the Fourth Proportional to 36,980.82, 51,033.55 and 21,066.76

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Solution

The fourth proportional to 36,980.82, 51,033.55 and 21,066.76 is: 29,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.82 : 51,033.55 = 21,066.76 : x
  2. Step 2: Convert to fraction form
    36,980.82/51,033.55 = 21,066.76/x
  3. Step 3: Cross multiply
    36,980.82x = 51,033.55 × 21,066.76
  4. Step 4: Simplify right side
    36,980.82x = 1,075,111,549.80
  5. Step 5: Solve for x
    x = 1,075,111,549.80/36,980.82
  6. Step 6: Final answer
    x = 29,072.14

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1.5x scale

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.