Home / 55,388.39-76,435.58-30,237.89

Finding the Fourth Proportional to 55,388.39, 76,435.58 and 30,237.89

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Solution

The fourth proportional to 55,388.39, 76,435.58 and 30,237.89 is: 41,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,388.39 : 76,435.58 = 30,237.89 : x
  2. Step 2: Convert to fraction form
    55,388.39/76,435.58 = 30,237.89/x
  3. Step 3: Cross multiply
    55,388.39x = 76,435.58 × 30,237.89
  4. Step 4: Simplify right side
    55,388.39x = 2,311,250,353.54
  5. Step 5: Solve for x
    x = 2,311,250,353.54/55,388.39
  6. Step 6: Final answer
    x = 41,728.07

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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.