Home / 45,270.74-67,906.12-14,108.42

Finding the Fourth Proportional to 45,270.74, 67,906.12 and 14,108.42

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Solution

The fourth proportional to 45,270.74, 67,906.12 and 14,108.42 is: 21,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,270.74 : 67,906.12 = 14,108.42 : x
  2. Step 2: Convert to fraction form
    45,270.74/67,906.12 = 14,108.42/x
  3. Step 3: Cross multiply
    45,270.74x = 67,906.12 × 14,108.42
  4. Step 4: Simplify right side
    45,270.74x = 958,048,061.53
  5. Step 5: Solve for x
    x = 958,048,061.53/45,270.74
  6. Step 6: Final answer
    x = 21,162.63

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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.