Home / 54,181.06-74,765.78-30,303.12

Finding the Fourth Proportional to 54,181.06, 74,765.78 and 30,303.12

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Solution

The fourth proportional to 54,181.06, 74,765.78 and 30,303.12 is: 41,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,181.06 : 74,765.78 = 30,303.12 : x
  2. Step 2: Convert to fraction form
    54,181.06/74,765.78 = 30,303.12/x
  3. Step 3: Cross multiply
    54,181.06x = 74,765.78 × 30,303.12
  4. Step 4: Simplify right side
    54,181.06x = 2,265,636,403.23
  5. Step 5: Solve for x
    x = 2,265,636,403.23/54,181.06
  6. Step 6: Final answer
    x = 41,816.02

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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.