Home / 55,130.24-76,079.64-33,619.94

Finding the Fourth Proportional to 55,130.24, 76,079.64 and 33,619.94

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Solution

The fourth proportional to 55,130.24, 76,079.64 and 33,619.94 is: 46,395.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130.24 : 76,079.64 = 33,619.94 : x
  2. Step 2: Convert to fraction form
    55,130.24/76,079.64 = 33,619.94/x
  3. Step 3: Cross multiply
    55,130.24x = 76,079.64 × 33,619.94
  4. Step 4: Simplify right side
    55,130.24x = 2,557,792,932.02
  5. Step 5: Solve for x
    x = 2,557,792,932.02/55,130.24
  6. Step 6: Final answer
    x = 46,395.46

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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.