Home / 54,873.42-82,314.99-15,430.86

Finding the Fourth Proportional to 54,873.42, 82,314.99 and 15,430.86

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Solution

The fourth proportional to 54,873.42, 82,314.99 and 15,430.86 is: 23,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,873.42 : 82,314.99 = 15,430.86 : x
  2. Step 2: Convert to fraction form
    54,873.42/82,314.99 = 15,430.86/x
  3. Step 3: Cross multiply
    54,873.42x = 82,314.99 × 15,430.86
  4. Step 4: Simplify right side
    54,873.42x = 1,270,191,086.59
  5. Step 5: Solve for x
    x = 1,270,191,086.59/54,873.42
  6. Step 6: Final answer
    x = 23,147.66

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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.