Home / 31,292.38-46,905.76-14,638.38

Finding the Fourth Proportional to 31,292.38, 46,905.76 and 14,638.38

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Solution

The fourth proportional to 31,292.38, 46,905.76 and 14,638.38 is: 21,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.38 : 46,905.76 = 14,638.38 : x
  2. Step 2: Convert to fraction form
    31,292.38/46,905.76 = 14,638.38/x
  3. Step 3: Cross multiply
    31,292.38x = 46,905.76 × 14,638.38
  4. Step 4: Simplify right side
    31,292.38x = 686,624,339.07
  5. Step 5: Solve for x
    x = 686,624,339.07/31,292.38
  6. Step 6: Final answer
    x = 21,942.22

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1.5x scale

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.