Home / 45,665.12-68,504.12-14,077.74

Finding the Fourth Proportional to 45,665.12, 68,504.12 and 14,077.74

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Solution

The fourth proportional to 45,665.12, 68,504.12 and 14,077.74 is: 21,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,665.12 : 68,504.12 = 14,077.74 : x
  2. Step 2: Convert to fraction form
    45,665.12/68,504.12 = 14,077.74/x
  3. Step 3: Cross multiply
    45,665.12x = 68,504.12 × 14,077.74
  4. Step 4: Simplify right side
    45,665.12x = 964,383,119.90
  5. Step 5: Solve for x
    x = 964,383,119.90/45,665.12
  6. Step 6: Final answer
    x = 21,118.60

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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.