Home / 31,320.14-46,972.91-14,664.31

Finding the Fourth Proportional to 31,320.14, 46,972.91 and 14,664.31

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Solution

The fourth proportional to 31,320.14, 46,972.91 and 14,664.31 is: 21,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.14 : 46,972.91 = 14,664.31 : x
  2. Step 2: Convert to fraction form
    31,320.14/46,972.91 = 14,664.31/x
  3. Step 3: Cross multiply
    31,320.14x = 46,972.91 × 14,664.31
  4. Step 4: Simplify right side
    31,320.14x = 688,825,233.07
  5. Step 5: Solve for x
    x = 688,825,233.07/31,320.14
  6. Step 6: Final answer
    x = 21,993.05

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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.