Home / 55,078.24-76,008-29,927.68

Finding the Fourth Proportional to 55,078.24, 76,008 and 29,927.68

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Solution

The fourth proportional to 55,078.24, 76,008 and 29,927.68 is: 41,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078.24 : 76,008 = 29,927.68 : x
  2. Step 2: Convert to fraction form
    55,078.24/76,008 = 29,927.68/x
  3. Step 3: Cross multiply
    55,078.24x = 76,008 × 29,927.68
  4. Step 4: Simplify right side
    55,078.24x = 2,274,743,101.44
  5. Step 5: Solve for x
    x = 2,274,743,101.44/55,078.24
  6. Step 6: Final answer
    x = 41,300.21

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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.