Home / 50,368.28-75,524.67-20,779.38

Finding the Fourth Proportional to 50,368.28, 75,524.67 and 20,779.38

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Solution

The fourth proportional to 50,368.28, 75,524.67 and 20,779.38 is: 31,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,368.28 : 75,524.67 = 20,779.38 : x
  2. Step 2: Convert to fraction form
    50,368.28/75,524.67 = 20,779.38/x
  3. Step 3: Cross multiply
    50,368.28x = 75,524.67 × 20,779.38
  4. Step 4: Simplify right side
    50,368.28x = 1,569,355,817.30
  5. Step 5: Solve for x
    x = 1,569,355,817.30/50,368.28
  6. Step 6: Final answer
    x = 31,157.62

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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.