Home / 31,302.28-46,952.20-12,576.70

Finding the Fourth Proportional to 31,302.28, 46,952.20 and 12,576.70

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Solution

The fourth proportional to 31,302.28, 46,952.20 and 12,576.70 is: 18,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.28 : 46,952.20 = 12,576.70 : x
  2. Step 2: Convert to fraction form
    31,302.28/46,952.20 = 12,576.70/x
  3. Step 3: Cross multiply
    31,302.28x = 46,952.20 × 12,576.70
  4. Step 4: Simplify right side
    31,302.28x = 590,503,733.74
  5. Step 5: Solve for x
    x = 590,503,733.74/31,302.28
  6. Step 6: Final answer
    x = 18,864.56

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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.