Home / 54,384.35-75,054.20-30,186.54

Finding the Fourth Proportional to 54,384.35, 75,054.20 and 30,186.54

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Solution

The fourth proportional to 54,384.35, 75,054.20 and 30,186.54 is: 41,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,384.35 : 75,054.20 = 30,186.54 : x
  2. Step 2: Convert to fraction form
    54,384.35/75,054.20 = 30,186.54/x
  3. Step 3: Cross multiply
    54,384.35x = 75,054.20 × 30,186.54
  4. Step 4: Simplify right side
    54,384.35x = 2,265,626,459.54
  5. Step 5: Solve for x
    x = 2,265,626,459.54/54,384.35
  6. Step 6: Final answer
    x = 41,659.53

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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.