Home / 31,309.14-46,941.39-14,660.04

Finding the Fourth Proportional to 31,309.14, 46,941.39 and 14,660.04

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Solution

The fourth proportional to 31,309.14, 46,941.39 and 14,660.04 is: 21,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.14 : 46,941.39 = 14,660.04 : x
  2. Step 2: Convert to fraction form
    31,309.14/46,941.39 = 14,660.04/x
  3. Step 3: Cross multiply
    31,309.14x = 46,941.39 × 14,660.04
  4. Step 4: Simplify right side
    31,309.14x = 688,162,655.06
  5. Step 5: Solve for x
    x = 688,162,655.06/31,309.14
  6. Step 6: Final answer
    x = 21,979.61

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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.