Home / 45,491.85-68,205.47-17,388.23

Finding the Fourth Proportional to 45,491.85, 68,205.47 and 17,388.23

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Solution

The fourth proportional to 45,491.85, 68,205.47 and 17,388.23 is: 26,069.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,491.85 : 68,205.47 = 17,388.23 : x
  2. Step 2: Convert to fraction form
    45,491.85/68,205.47 = 17,388.23/x
  3. Step 3: Cross multiply
    45,491.85x = 68,205.47 × 17,388.23
  4. Step 4: Simplify right side
    45,491.85x = 1,185,971,971.65
  5. Step 5: Solve for x
    x = 1,185,971,971.65/45,491.85
  6. Step 6: Final answer
    x = 26,069.99

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Double scale
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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.