Home / 46,976.86-70,483.11-28,269.78

Finding the Fourth Proportional to 46,976.86, 70,483.11 and 28,269.78

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Solution

The fourth proportional to 46,976.86, 70,483.11 and 28,269.78 is: 42,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,976.86 : 70,483.11 = 28,269.78 : x
  2. Step 2: Convert to fraction form
    46,976.86/70,483.11 = 28,269.78/x
  3. Step 3: Cross multiply
    46,976.86x = 70,483.11 × 28,269.78
  4. Step 4: Simplify right side
    46,976.86x = 1,992,542,013.42
  5. Step 5: Solve for x
    x = 1,992,542,013.42/46,976.86
  6. Step 6: Final answer
    x = 42,415.39

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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.