Home / 30,879.84-46,319.67-11,158.38

Finding the Fourth Proportional to 30,879.84, 46,319.67 and 11,158.38

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Solution

The fourth proportional to 30,879.84, 46,319.67 and 11,158.38 is: 16,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,879.84 : 46,319.67 = 11,158.38 : x
  2. Step 2: Convert to fraction form
    30,879.84/46,319.67 = 11,158.38/x
  3. Step 3: Cross multiply
    30,879.84x = 46,319.67 × 11,158.38
  4. Step 4: Simplify right side
    30,879.84x = 516,852,479.33
  5. Step 5: Solve for x
    x = 516,852,479.33/30,879.84
  6. Step 6: Final answer
    x = 16,737.54

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1.5x scale

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.