Home / 31,427.22-47,147.76-10,373.76

Finding the Fourth Proportional to 31,427.22, 47,147.76 and 10,373.76

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Solution

The fourth proportional to 31,427.22, 47,147.76 and 10,373.76 is: 15,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.22 : 47,147.76 = 10,373.76 : x
  2. Step 2: Convert to fraction form
    31,427.22/47,147.76 = 10,373.76/x
  3. Step 3: Cross multiply
    31,427.22x = 47,147.76 × 10,373.76
  4. Step 4: Simplify right side
    31,427.22x = 489,099,546.78
  5. Step 5: Solve for x
    x = 489,099,546.78/31,427.22
  6. Step 6: Final answer
    x = 15,562.93

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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.