Home / 54,173.55-74,759.69-30,298.70

Finding the Fourth Proportional to 54,173.55, 74,759.69 and 30,298.70

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Solution

The fourth proportional to 54,173.55, 74,759.69 and 30,298.70 is: 41,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.55 : 74,759.69 = 30,298.70 : x
  2. Step 2: Convert to fraction form
    54,173.55/74,759.69 = 30,298.70/x
  3. Step 3: Cross multiply
    54,173.55x = 74,759.69 × 30,298.70
  4. Step 4: Simplify right side
    54,173.55x = 2,265,121,419.40
  5. Step 5: Solve for x
    x = 2,265,121,419.40/54,173.55
  6. Step 6: Final answer
    x = 41,812.31

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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.