Home / 55,169.51-76,165.31-36,339.44

Finding the Fourth Proportional to 55,169.51, 76,165.31 and 36,339.44

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Solution

The fourth proportional to 55,169.51, 76,165.31 and 36,339.44 is: 50,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,169.51 : 76,165.31 = 36,339.44 : x
  2. Step 2: Convert to fraction form
    55,169.51/76,165.31 = 36,339.44/x
  3. Step 3: Cross multiply
    55,169.51x = 76,165.31 × 36,339.44
  4. Step 4: Simplify right side
    55,169.51x = 2,767,804,422.85
  5. Step 5: Solve for x
    x = 2,767,804,422.85/55,169.51
  6. Step 6: Final answer
    x = 50,169.10

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1.5x scale

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.