Home / 31,609.64-47,422.56-9,423.02

Finding the Fourth Proportional to 31,609.64, 47,422.56 and 9,423.02

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Solution

The fourth proportional to 31,609.64, 47,422.56 and 9,423.02 is: 14,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,609.64 : 47,422.56 = 9,423.02 : x
  2. Step 2: Convert to fraction form
    31,609.64/47,422.56 = 9,423.02/x
  3. Step 3: Cross multiply
    31,609.64x = 47,422.56 × 9,423.02
  4. Step 4: Simplify right side
    31,609.64x = 446,863,731.33
  5. Step 5: Solve for x
    x = 446,863,731.33/31,609.64
  6. Step 6: Final answer
    x = 14,136.94

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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.