Home / 39,509.19-59,310.09-31,194.81

Finding the Fourth Proportional to 39,509.19, 59,310.09 and 31,194.81

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Solution

The fourth proportional to 39,509.19, 59,310.09 and 31,194.81 is: 46,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,509.19 : 59,310.09 = 31,194.81 : x
  2. Step 2: Convert to fraction form
    39,509.19/59,310.09 = 31,194.81/x
  3. Step 3: Cross multiply
    39,509.19x = 59,310.09 × 31,194.81
  4. Step 4: Simplify right side
    39,509.19x = 1,850,166,988.63
  5. Step 5: Solve for x
    x = 1,850,166,988.63/39,509.19
  6. Step 6: Final answer
    x = 46,828.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.