Home / 66,046.69-99,075.80-18,662.28

Finding the Fourth Proportional to 66,046.69, 99,075.80 and 18,662.28

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Solution

The fourth proportional to 66,046.69, 99,075.80 and 18,662.28 is: 27,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,046.69 : 99,075.80 = 18,662.28 : x
  2. Step 2: Convert to fraction form
    66,046.69/99,075.80 = 18,662.28/x
  3. Step 3: Cross multiply
    66,046.69x = 99,075.80 × 18,662.28
  4. Step 4: Simplify right side
    66,046.69x = 1,848,980,320.82
  5. Step 5: Solve for x
    x = 1,848,980,320.82/66,046.69
  6. Step 6: Final answer
    x = 27,995.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.