Home / 45,986.03-68,957.21-21,018.67

Finding the Fourth Proportional to 45,986.03, 68,957.21 and 21,018.67

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Solution

The fourth proportional to 45,986.03, 68,957.21 and 21,018.67 is: 31,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,986.03 : 68,957.21 = 21,018.67 : x
  2. Step 2: Convert to fraction form
    45,986.03/68,957.21 = 21,018.67/x
  3. Step 3: Cross multiply
    45,986.03x = 68,957.21 × 21,018.67
  4. Step 4: Simplify right side
    45,986.03x = 1,449,388,736.02
  5. Step 5: Solve for x
    x = 1,449,388,736.02/45,986.03
  6. Step 6: Final answer
    x = 31,518.02

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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.