Home / 45,930.76-68,896.11-14,343.53

Finding the Fourth Proportional to 45,930.76, 68,896.11 and 14,343.53

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Solution

The fourth proportional to 45,930.76, 68,896.11 and 14,343.53 is: 21,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,930.76 : 68,896.11 = 14,343.53 : x
  2. Step 2: Convert to fraction form
    45,930.76/68,896.11 = 14,343.53/x
  3. Step 3: Cross multiply
    45,930.76x = 68,896.11 × 14,343.53
  4. Step 4: Simplify right side
    45,930.76x = 988,213,388.34
  5. Step 5: Solve for x
    x = 988,213,388.34/45,930.76
  6. Step 6: Final answer
    x = 21,515.29

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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.