Home / 55,922.80-77,172.87-30,429.94

Finding the Fourth Proportional to 55,922.80, 77,172.87 and 30,429.94

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Solution

The fourth proportional to 55,922.80, 77,172.87 and 30,429.94 is: 41,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,922.80 : 77,172.87 = 30,429.94 : x
  2. Step 2: Convert to fraction form
    55,922.80/77,172.87 = 30,429.94/x
  3. Step 3: Cross multiply
    55,922.80x = 77,172.87 × 30,429.94
  4. Step 4: Simplify right side
    55,922.80x = 2,348,365,803.73
  5. Step 5: Solve for x
    x = 2,348,365,803.73/55,922.80
  6. Step 6: Final answer
    x = 41,992.99

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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.