Home / 54,878.42-82,322.50-15,435.86

Finding the Fourth Proportional to 54,878.42, 82,322.50 and 15,435.86

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Solution

The fourth proportional to 54,878.42, 82,322.50 and 15,435.86 is: 23,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,878.42 : 82,322.50 = 15,435.86 : x
  2. Step 2: Convert to fraction form
    54,878.42/82,322.50 = 15,435.86/x
  3. Step 3: Cross multiply
    54,878.42x = 82,322.50 × 15,435.86
  4. Step 4: Simplify right side
    54,878.42x = 1,270,718,584.85
  5. Step 5: Solve for x
    x = 1,270,718,584.85/54,878.42
  6. Step 6: Final answer
    x = 23,155.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.