Home / 31,031.78-46,543.05-11,305.73

Finding the Fourth Proportional to 31,031.78, 46,543.05 and 11,305.73

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Solution

The fourth proportional to 31,031.78, 46,543.05 and 11,305.73 is: 16,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031.78 : 46,543.05 = 11,305.73 : x
  2. Step 2: Convert to fraction form
    31,031.78/46,543.05 = 11,305.73/x
  3. Step 3: Cross multiply
    31,031.78x = 46,543.05 × 11,305.73
  4. Step 4: Simplify right side
    31,031.78x = 526,203,273.03
  5. Step 5: Solve for x
    x = 526,203,273.03/31,031.78
  6. Step 6: Final answer
    x = 16,956.92

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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.