Home / 52,379.30-78,539.16-35,759.36

Finding the Fourth Proportional to 52,379.30, 78,539.16 and 35,759.36

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Solution

The fourth proportional to 52,379.30, 78,539.16 and 35,759.36 is: 53,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,379.30 : 78,539.16 = 35,759.36 : x
  2. Step 2: Convert to fraction form
    52,379.30/78,539.16 = 35,759.36/x
  3. Step 3: Cross multiply
    52,379.30x = 78,539.16 × 35,759.36
  4. Step 4: Simplify right side
    52,379.30x = 2,808,510,096.54
  5. Step 5: Solve for x
    x = 2,808,510,096.54/52,379.30
  6. Step 6: Final answer
    x = 53,618.70

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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.