Home / 31,031.90-46,568.64-11,040.62

Finding the Fourth Proportional to 31,031.90, 46,568.64 and 11,040.62

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Solution

The fourth proportional to 31,031.90, 46,568.64 and 11,040.62 is: 16,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031.90 : 46,568.64 = 11,040.62 : x
  2. Step 2: Convert to fraction form
    31,031.90/46,568.64 = 11,040.62/x
  3. Step 3: Cross multiply
    31,031.90x = 46,568.64 × 11,040.62
  4. Step 4: Simplify right side
    31,031.90x = 514,146,658.16
  5. Step 5: Solve for x
    x = 514,146,658.16/31,031.90
  6. Step 6: Final answer
    x = 16,568.33

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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.