Home / 31,031.40-46,542.50-11,305.35

Finding the Fourth Proportional to 31,031.40, 46,542.50 and 11,305.35

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Solution

The fourth proportional to 31,031.40, 46,542.50 and 11,305.35 is: 16,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031.40 : 46,542.50 = 11,305.35 : x
  2. Step 2: Convert to fraction form
    31,031.40/46,542.50 = 11,305.35/x
  3. Step 3: Cross multiply
    31,031.40x = 46,542.50 × 11,305.35
  4. Step 4: Simplify right side
    31,031.40x = 526,179,195.85
  5. Step 5: Solve for x
    x = 526,179,195.85/31,031.40
  6. Step 6: Final answer
    x = 16,956.35

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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.