Home / 45,045.62-67,515.67-18,374.98

Finding the Fourth Proportional to 45,045.62, 67,515.67 and 18,374.98

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Solution

The fourth proportional to 45,045.62, 67,515.67 and 18,374.98 is: 27,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,045.62 : 67,515.67 = 18,374.98 : x
  2. Step 2: Convert to fraction form
    45,045.62/67,515.67 = 18,374.98/x
  3. Step 3: Cross multiply
    45,045.62x = 67,515.67 × 18,374.98
  4. Step 4: Simplify right side
    45,045.62x = 1,240,599,085.94
  5. Step 5: Solve for x
    x = 1,240,599,085.94/45,045.62
  6. Step 6: Final answer
    x = 27,540.95

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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.