Home / 50,493.60-75,740.40-20,907.36

Finding the Fourth Proportional to 50,493.60, 75,740.40 and 20,907.36

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Solution

The fourth proportional to 50,493.60, 75,740.40 and 20,907.36 is: 31,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,493.60 : 75,740.40 = 20,907.36 : x
  2. Step 2: Convert to fraction form
    50,493.60/75,740.40 = 20,907.36/x
  3. Step 3: Cross multiply
    50,493.60x = 75,740.40 × 20,907.36
  4. Step 4: Simplify right side
    50,493.60x = 1,583,531,809.34
  5. Step 5: Solve for x
    x = 1,583,531,809.34/50,493.60
  6. Step 6: Final answer
    x = 31,361.04

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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.