Home / 48,611.33-72,917.30-13,551.29

Finding the Fourth Proportional to 48,611.33, 72,917.30 and 13,551.29

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Solution

The fourth proportional to 48,611.33, 72,917.30 and 13,551.29 is: 20,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,611.33 : 72,917.30 = 13,551.29 : x
  2. Step 2: Convert to fraction form
    48,611.33/72,917.30 = 13,551.29/x
  3. Step 3: Cross multiply
    48,611.33x = 72,917.30 × 13,551.29
  4. Step 4: Simplify right side
    48,611.33x = 988,123,478.32
  5. Step 5: Solve for x
    x = 988,123,478.32/48,611.33
  6. Step 6: Final answer
    x = 20,327.02

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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.