Home / 55,644.24-76,788.23-30,149.90

Finding the Fourth Proportional to 55,644.24, 76,788.23 and 30,149.90

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Solution

The fourth proportional to 55,644.24, 76,788.23 and 30,149.90 is: 41,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,644.24 : 76,788.23 = 30,149.90 : x
  2. Step 2: Convert to fraction form
    55,644.24/76,788.23 = 30,149.90/x
  3. Step 3: Cross multiply
    55,644.24x = 76,788.23 × 30,149.90
  4. Step 4: Simplify right side
    55,644.24x = 2,315,156,920.99
  5. Step 5: Solve for x
    x = 2,315,156,920.99/55,644.24
  6. Step 6: Final answer
    x = 41,606.41

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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.