Home / 31,907.47-47,861.19-8,533.30

Finding the Fourth Proportional to 31,907.47, 47,861.19 and 8,533.30

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Solution

The fourth proportional to 31,907.47, 47,861.19 and 8,533.30 is: 12,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,907.47 : 47,861.19 = 8,533.30 : x
  2. Step 2: Convert to fraction form
    31,907.47/47,861.19 = 8,533.30/x
  3. Step 3: Cross multiply
    31,907.47x = 47,861.19 × 8,533.30
  4. Step 4: Simplify right side
    31,907.47x = 408,413,772.97
  5. Step 5: Solve for x
    x = 408,413,772.97/31,907.47
  6. Step 6: Final answer
    x = 12,799.94

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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.