Home / 45,269.67-67,855.27-18,943.66

Finding the Fourth Proportional to 45,269.67, 67,855.27 and 18,943.66

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Solution

The fourth proportional to 45,269.67, 67,855.27 and 18,943.66 is: 28,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,269.67 : 67,855.27 = 18,943.66 : x
  2. Step 2: Convert to fraction form
    45,269.67/67,855.27 = 18,943.66/x
  3. Step 3: Cross multiply
    45,269.67x = 67,855.27 × 18,943.66
  4. Step 4: Simplify right side
    45,269.67x = 1,285,427,164.09
  5. Step 5: Solve for x
    x = 1,285,427,164.09/45,269.67
  6. Step 6: Final answer
    x = 28,394.89

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1.5x scale

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.