Home / 31,424.08-47,137.76-8,050.72

Finding the Fourth Proportional to 31,424.08, 47,137.76 and 8,050.72

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Solution

The fourth proportional to 31,424.08, 47,137.76 and 8,050.72 is: 12,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.08 : 47,137.76 = 8,050.72 : x
  2. Step 2: Convert to fraction form
    31,424.08/47,137.76 = 8,050.72/x
  3. Step 3: Cross multiply
    31,424.08x = 47,137.76 × 8,050.72
  4. Step 4: Simplify right side
    31,424.08x = 379,492,907.19
  5. Step 5: Solve for x
    x = 379,492,907.19/31,424.08
  6. Step 6: Final answer
    x = 12,076.50

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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.