Home / 30,859.04-46,290.37-8,674.15

Finding the Fourth Proportional to 30,859.04, 46,290.37 and 8,674.15

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Solution

The fourth proportional to 30,859.04, 46,290.37 and 8,674.15 is: 13,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.04 : 46,290.37 = 8,674.15 : x
  2. Step 2: Convert to fraction form
    30,859.04/46,290.37 = 8,674.15/x
  3. Step 3: Cross multiply
    30,859.04x = 46,290.37 × 8,674.15
  4. Step 4: Simplify right side
    30,859.04x = 401,529,475.52
  5. Step 5: Solve for x
    x = 401,529,475.52/30,859.04
  6. Step 6: Final answer
    x = 13,011.73

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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.