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Finding the Fourth Proportional to 45,707.48, 68,571.48 and 16,125.56

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Solution

The fourth proportional to 45,707.48, 68,571.48 and 16,125.56 is: 24,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,707.48 : 68,571.48 = 16,125.56 : x
  2. Step 2: Convert to fraction form
    45,707.48/68,571.48 = 16,125.56/x
  3. Step 3: Cross multiply
    45,707.48x = 68,571.48 × 16,125.56
  4. Step 4: Simplify right side
    45,707.48x = 1,105,753,515.03
  5. Step 5: Solve for x
    x = 1,105,753,515.03/45,707.48
  6. Step 6: Final answer
    x = 24,191.96

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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.