Home / 31,648.84-47,479.41-9,461.72

Finding the Fourth Proportional to 31,648.84, 47,479.41 and 9,461.72

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Solution

The fourth proportional to 31,648.84, 47,479.41 and 9,461.72 is: 14,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,648.84 : 47,479.41 = 9,461.72 : x
  2. Step 2: Convert to fraction form
    31,648.84/47,479.41 = 9,461.72/x
  3. Step 3: Cross multiply
    31,648.84x = 47,479.41 × 9,461.72
  4. Step 4: Simplify right side
    31,648.84x = 449,237,001.88
  5. Step 5: Solve for x
    x = 449,237,001.88/31,648.84
  6. Step 6: Final answer
    x = 14,194.42

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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.