Home / 30,852.86-46,279.13-7,479.29

Finding the Fourth Proportional to 30,852.86, 46,279.13 and 7,479.29

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Solution

The fourth proportional to 30,852.86, 46,279.13 and 7,479.29 is: 11,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.86 : 46,279.13 = 7,479.29 : x
  2. Step 2: Convert to fraction form
    30,852.86/46,279.13 = 7,479.29/x
  3. Step 3: Cross multiply
    30,852.86x = 46,279.13 × 7,479.29
  4. Step 4: Simplify right side
    30,852.86x = 346,135,112.52
  5. Step 5: Solve for x
    x = 346,135,112.52/30,852.86
  6. Step 6: Final answer
    x = 11,218.90

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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.