Home / 31,343.91-46,985.88-11,617.17

Finding the Fourth Proportional to 31,343.91, 46,985.88 and 11,617.17

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Solution

The fourth proportional to 31,343.91, 46,985.88 and 11,617.17 is: 17,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,343.91 : 46,985.88 = 11,617.17 : x
  2. Step 2: Convert to fraction form
    31,343.91/46,985.88 = 11,617.17/x
  3. Step 3: Cross multiply
    31,343.91x = 46,985.88 × 11,617.17
  4. Step 4: Simplify right side
    31,343.91x = 545,842,955.56
  5. Step 5: Solve for x
    x = 545,842,955.56/31,343.91
  6. Step 6: Final answer
    x = 17,414.64

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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.