Home / 45,670.68-68,512.85-14,078.11

Finding the Fourth Proportional to 45,670.68, 68,512.85 and 14,078.11

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Solution

The fourth proportional to 45,670.68, 68,512.85 and 14,078.11 is: 21,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,670.68 : 68,512.85 = 14,078.11 : x
  2. Step 2: Convert to fraction form
    45,670.68/68,512.85 = 14,078.11/x
  3. Step 3: Cross multiply
    45,670.68x = 68,512.85 × 14,078.11
  4. Step 4: Simplify right side
    45,670.68x = 964,531,438.71
  5. Step 5: Solve for x
    x = 964,531,438.71/45,670.68
  6. Step 6: Final answer
    x = 21,119.27

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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.