Home / 31,209.40-46,832.64-11,501.79

Finding the Fourth Proportional to 31,209.40, 46,832.64 and 11,501.79

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Solution

The fourth proportional to 31,209.40, 46,832.64 and 11,501.79 is: 17,259.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209.40 : 46,832.64 = 11,501.79 : x
  2. Step 2: Convert to fraction form
    31,209.40/46,832.64 = 11,501.79/x
  3. Step 3: Cross multiply
    31,209.40x = 46,832.64 × 11,501.79
  4. Step 4: Simplify right side
    31,209.40x = 538,659,190.43
  5. Step 5: Solve for x
    x = 538,659,190.43/31,209.40
  6. Step 6: Final answer
    x = 17,259.52

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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.