Home / 51,368.21-77,074.59-18,112.04

Finding the Fourth Proportional to 51,368.21, 77,074.59 and 18,112.04

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Solution

The fourth proportional to 51,368.21, 77,074.59 and 18,112.04 is: 27,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,368.21 : 77,074.59 = 18,112.04 : x
  2. Step 2: Convert to fraction form
    51,368.21/77,074.59 = 18,112.04/x
  3. Step 3: Cross multiply
    51,368.21x = 77,074.59 × 18,112.04
  4. Step 4: Simplify right side
    51,368.21x = 1,395,978,057.06
  5. Step 5: Solve for x
    x = 1,395,978,057.06/51,368.21
  6. Step 6: Final answer
    x = 27,175.91

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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.