Home / 45,150.04-67,680.42-21,415.96

Finding the Fourth Proportional to 45,150.04, 67,680.42 and 21,415.96

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Solution

The fourth proportional to 45,150.04, 67,680.42 and 21,415.96 is: 32,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,150.04 : 67,680.42 = 21,415.96 : x
  2. Step 2: Convert to fraction form
    45,150.04/67,680.42 = 21,415.96/x
  3. Step 3: Cross multiply
    45,150.04x = 67,680.42 × 21,415.96
  4. Step 4: Simplify right side
    45,150.04x = 1,449,441,167.50
  5. Step 5: Solve for x
    x = 1,449,441,167.50/45,150.04
  6. Step 6: Final answer
    x = 32,102.77

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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.