Home / 31,188.06-46,780.56-11,465.37

Finding the Fourth Proportional to 31,188.06, 46,780.56 and 11,465.37

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Solution

The fourth proportional to 31,188.06, 46,780.56 and 11,465.37 is: 17,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.06 : 46,780.56 = 11,465.37 : x
  2. Step 2: Convert to fraction form
    31,188.06/46,780.56 = 11,465.37/x
  3. Step 3: Cross multiply
    31,188.06x = 46,780.56 × 11,465.37
  4. Step 4: Simplify right side
    31,188.06x = 536,356,429.21
  5. Step 5: Solve for x
    x = 536,356,429.21/31,188.06
  6. Step 6: Final answer
    x = 17,197.49

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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.