Home / 55,337-76,365.60-30,187.04

Finding the Fourth Proportional to 55,337, 76,365.60 and 30,187.04

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Solution

The fourth proportional to 55,337, 76,365.60 and 30,187.04 is: 41,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,337 : 76,365.60 = 30,187.04 : x
  2. Step 2: Convert to fraction form
    55,337/76,365.60 = 30,187.04/x
  3. Step 3: Cross multiply
    55,337x = 76,365.60 × 30,187.04
  4. Step 4: Simplify right side
    55,337x = 2,305,251,421.82
  5. Step 5: Solve for x
    x = 2,305,251,421.82/55,337
  6. Step 6: Final answer
    x = 41,658.41

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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.