Home / 31,345.40-46,991.76-14,696.66

Finding the Fourth Proportional to 31,345.40, 46,991.76 and 14,696.66

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Solution

The fourth proportional to 31,345.40, 46,991.76 and 14,696.66 is: 22,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.40 : 46,991.76 = 14,696.66 : x
  2. Step 2: Convert to fraction form
    31,345.40/46,991.76 = 14,696.66/x
  3. Step 3: Cross multiply
    31,345.40x = 46,991.76 × 14,696.66
  4. Step 4: Simplify right side
    31,345.40x = 690,621,919.52
  5. Step 5: Solve for x
    x = 690,621,919.52/31,345.40
  6. Step 6: Final answer
    x = 22,032.64

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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.