Home / 31,070.31-46,633.20-21,717.81

Finding the Fourth Proportional to 31,070.31, 46,633.20 and 21,717.81

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Solution

The fourth proportional to 31,070.31, 46,633.20 and 21,717.81 is: 32,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,070.31 : 46,633.20 = 21,717.81 : x
  2. Step 2: Convert to fraction form
    31,070.31/46,633.20 = 21,717.81/x
  3. Step 3: Cross multiply
    31,070.31x = 46,633.20 × 21,717.81
  4. Step 4: Simplify right side
    31,070.31x = 1,012,770,935.92
  5. Step 5: Solve for x
    x = 1,012,770,935.92/31,070.31
  6. Step 6: Final answer
    x = 32,596.10

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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.