Home / 45,380.07-68,076.59-14,217.75

Finding the Fourth Proportional to 45,380.07, 68,076.59 and 14,217.75

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Solution

The fourth proportional to 45,380.07, 68,076.59 and 14,217.75 is: 21,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,380.07 : 68,076.59 = 14,217.75 : x
  2. Step 2: Convert to fraction form
    45,380.07/68,076.59 = 14,217.75/x
  3. Step 3: Cross multiply
    45,380.07x = 68,076.59 × 14,217.75
  4. Step 4: Simplify right side
    45,380.07x = 967,895,866.38
  5. Step 5: Solve for x
    x = 967,895,866.38/45,380.07
  6. Step 6: Final answer
    x = 21,328.66

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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.