Home / 54,172.42-74,760.90-30,298.58

Finding the Fourth Proportional to 54,172.42, 74,760.90 and 30,298.58

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Solution

The fourth proportional to 54,172.42, 74,760.90 and 30,298.58 is: 41,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.42 : 74,760.90 = 30,298.58 : x
  2. Step 2: Convert to fraction form
    54,172.42/74,760.90 = 30,298.58/x
  3. Step 3: Cross multiply
    54,172.42x = 74,760.90 × 30,298.58
  4. Step 4: Simplify right side
    54,172.42x = 2,265,149,109.52
  5. Step 5: Solve for x
    x = 2,265,149,109.52/54,172.42
  6. Step 6: Final answer
    x = 41,813.70

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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.