Home / 31,031.15-46,542.11-11,305.11

Finding the Fourth Proportional to 31,031.15, 46,542.11 and 11,305.11

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Solution

The fourth proportional to 31,031.15, 46,542.11 and 11,305.11 is: 16,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031.15 : 46,542.11 = 11,305.11 : x
  2. Step 2: Convert to fraction form
    31,031.15/46,542.11 = 11,305.11/x
  3. Step 3: Cross multiply
    31,031.15x = 46,542.11 × 11,305.11
  4. Step 4: Simplify right side
    31,031.15x = 526,163,673.18
  5. Step 5: Solve for x
    x = 526,163,673.18/31,031.15
  6. Step 6: Final answer
    x = 16,955.98

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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.