Home / 45,127.65-67,690.67-18,467.85

Finding the Fourth Proportional to 45,127.65, 67,690.67 and 18,467.85

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Solution

The fourth proportional to 45,127.65, 67,690.67 and 18,467.85 is: 27,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,127.65 : 67,690.67 = 18,467.85 : x
  2. Step 2: Convert to fraction form
    45,127.65/67,690.67 = 18,467.85/x
  3. Step 3: Cross multiply
    45,127.65x = 67,690.67 × 18,467.85
  4. Step 4: Simplify right side
    45,127.65x = 1,250,101,047.62
  5. Step 5: Solve for x
    x = 1,250,101,047.62/45,127.65
  6. Step 6: Final answer
    x = 27,701.44

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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.