Home / 45,085.41-67,634.26-18,784.00

Finding the Fourth Proportional to 45,085.41, 67,634.26 and 18,784.00

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Solution

The fourth proportional to 45,085.41, 67,634.26 and 18,784.00 is: 28,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,085.41 : 67,634.26 = 18,784.00 : x
  2. Step 2: Convert to fraction form
    45,085.41/67,634.26 = 18,784.00/x
  3. Step 3: Cross multiply
    45,085.41x = 67,634.26 × 18,784.00
  4. Step 4: Simplify right side
    45,085.41x = 1,270,441,977.42
  5. Step 5: Solve for x
    x = 1,270,441,977.42/45,085.41
  6. Step 6: Final answer
    x = 28,178.56

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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.