Home / 30,908.12-46,364.14-11,941.80

Finding the Fourth Proportional to 30,908.12, 46,364.14 and 11,941.80

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Solution

The fourth proportional to 30,908.12, 46,364.14 and 11,941.80 is: 17,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908.12 : 46,364.14 = 11,941.80 : x
  2. Step 2: Convert to fraction form
    30,908.12/46,364.14 = 11,941.80/x
  3. Step 3: Cross multiply
    30,908.12x = 46,364.14 × 11,941.80
  4. Step 4: Simplify right side
    30,908.12x = 553,671,287.05
  5. Step 5: Solve for x
    x = 553,671,287.05/30,908.12
  6. Step 6: Final answer
    x = 17,913.46

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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.