Home / 45,450.76-68,179.02-14,287.24

Finding the Fourth Proportional to 45,450.76, 68,179.02 and 14,287.24

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Solution

The fourth proportional to 45,450.76, 68,179.02 and 14,287.24 is: 21,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,450.76 : 68,179.02 = 14,287.24 : x
  2. Step 2: Convert to fraction form
    45,450.76/68,179.02 = 14,287.24/x
  3. Step 3: Cross multiply
    45,450.76x = 68,179.02 × 14,287.24
  4. Step 4: Simplify right side
    45,450.76x = 974,090,021.70
  5. Step 5: Solve for x
    x = 974,090,021.70/45,450.76
  6. Step 6: Final answer
    x = 21,431.77

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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.