Home / 55,578.03-76,696.92-30,427.53

Finding the Fourth Proportional to 55,578.03, 76,696.92 and 30,427.53

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Solution

The fourth proportional to 55,578.03, 76,696.92 and 30,427.53 is: 41,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.03 : 76,696.92 = 30,427.53 : x
  2. Step 2: Convert to fraction form
    55,578.03/76,696.92 = 30,427.53/x
  3. Step 3: Cross multiply
    55,578.03x = 76,696.92 × 30,427.53
  4. Step 4: Simplify right side
    55,578.03x = 2,333,697,834.21
  5. Step 5: Solve for x
    x = 2,333,697,834.21/55,578.03
  6. Step 6: Final answer
    x = 41,989.57

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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.