Home / 55,197.12-76,172.28-30,046.64

Finding the Fourth Proportional to 55,197.12, 76,172.28 and 30,046.64

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Solution

The fourth proportional to 55,197.12, 76,172.28 and 30,046.64 is: 41,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,197.12 : 76,172.28 = 30,046.64 : x
  2. Step 2: Convert to fraction form
    55,197.12/76,172.28 = 30,046.64/x
  3. Step 3: Cross multiply
    55,197.12x = 76,172.28 × 30,046.64
  4. Step 4: Simplify right side
    55,197.12x = 2,288,721,075.14
  5. Step 5: Solve for x
    x = 2,288,721,075.14/55,197.12
  6. Step 6: Final answer
    x = 41,464.50

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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.