Home / 55,467-76,545-30,317.04

Finding the Fourth Proportional to 55,467, 76,545 and 30,317.04

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Solution

The fourth proportional to 55,467, 76,545 and 30,317.04 is: 41,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,467 : 76,545 = 30,317.04 : x
  2. Step 2: Convert to fraction form
    55,467/76,545 = 30,317.04/x
  3. Step 3: Cross multiply
    55,467x = 76,545 × 30,317.04
  4. Step 4: Simplify right side
    55,467x = 2,320,617,826.80
  5. Step 5: Solve for x
    x = 2,320,617,826.80/55,467
  6. Step 6: Final answer
    x = 41,837.81

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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.