Home / 55,388.62-76,436.26-30,238.12

Finding the Fourth Proportional to 55,388.62, 76,436.26 and 30,238.12

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Solution

The fourth proportional to 55,388.62, 76,436.26 and 30,238.12 is: 41,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,388.62 : 76,436.26 = 30,238.12 : x
  2. Step 2: Convert to fraction form
    55,388.62/76,436.26 = 30,238.12/x
  3. Step 3: Cross multiply
    55,388.62x = 76,436.26 × 30,238.12
  4. Step 4: Simplify right side
    55,388.62x = 2,311,288,802.23
  5. Step 5: Solve for x
    x = 2,311,288,802.23/55,388.62
  6. Step 6: Final answer
    x = 41,728.59

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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.