Home / 55,851.15-77,075-30,357.51

Finding the Fourth Proportional to 55,851.15, 77,075 and 30,357.51

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Solution

The fourth proportional to 55,851.15, 77,075 and 30,357.51 is: 41,893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,851.15 : 77,075 = 30,357.51 : x
  2. Step 2: Convert to fraction form
    55,851.15/77,075 = 30,357.51/x
  3. Step 3: Cross multiply
    55,851.15x = 77,075 × 30,357.51
  4. Step 4: Simplify right side
    55,851.15x = 2,339,805,083.25
  5. Step 5: Solve for x
    x = 2,339,805,083.25/55,851.15
  6. Step 6: Final answer
    x = 41,893.59

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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.