Home / 31,377.76-47,067.90-8,004.40

Finding the Fourth Proportional to 31,377.76, 47,067.90 and 8,004.40

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Solution

The fourth proportional to 31,377.76, 47,067.90 and 8,004.40 is: 12,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.76 : 47,067.90 = 8,004.40 : x
  2. Step 2: Convert to fraction form
    31,377.76/47,067.90 = 8,004.40/x
  3. Step 3: Cross multiply
    31,377.76x = 47,067.90 × 8,004.40
  4. Step 4: Simplify right side
    31,377.76x = 376,750,298.76
  5. Step 5: Solve for x
    x = 376,750,298.76/31,377.76
  6. Step 6: Final answer
    x = 12,006.92

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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.