Home / 47,394.86-71,050.64-19,338.54

Finding the Fourth Proportional to 47,394.86, 71,050.64 and 19,338.54

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Solution

The fourth proportional to 47,394.86, 71,050.64 and 19,338.54 is: 28,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,394.86 : 71,050.64 = 19,338.54 : x
  2. Step 2: Convert to fraction form
    47,394.86/71,050.64 = 19,338.54/x
  3. Step 3: Cross multiply
    47,394.86x = 71,050.64 × 19,338.54
  4. Step 4: Simplify right side
    47,394.86x = 1,374,015,280.53
  5. Step 5: Solve for x
    x = 1,374,015,280.53/47,394.86
  6. Step 6: Final answer
    x = 28,990.81

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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.