Home / 31,184.07-46,765.09-8,991.46

Finding the Fourth Proportional to 31,184.07, 46,765.09 and 8,991.46

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Solution

The fourth proportional to 31,184.07, 46,765.09 and 8,991.46 is: 13,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,184.07 : 46,765.09 = 8,991.46 : x
  2. Step 2: Convert to fraction form
    31,184.07/46,765.09 = 8,991.46/x
  3. Step 3: Cross multiply
    31,184.07x = 46,765.09 × 8,991.46
  4. Step 4: Simplify right side
    31,184.07x = 420,486,436.13
  5. Step 5: Solve for x
    x = 420,486,436.13/31,184.07
  6. Step 6: Final answer
    x = 13,484.01

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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.