Home / 55,185.24-82,720.28-25,578.66

Finding the Fourth Proportional to 55,185.24, 82,720.28 and 25,578.66

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Solution

The fourth proportional to 55,185.24, 82,720.28 and 25,578.66 is: 38,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,185.24 : 82,720.28 = 25,578.66 : x
  2. Step 2: Convert to fraction form
    55,185.24/82,720.28 = 25,578.66/x
  3. Step 3: Cross multiply
    55,185.24x = 82,720.28 × 25,578.66
  4. Step 4: Simplify right side
    55,185.24x = 2,115,873,917.22
  5. Step 5: Solve for x
    x = 2,115,873,917.22/55,185.24
  6. Step 6: Final answer
    x = 38,341.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.