Home / 31,532.64-47,307.60-16,540.76

Finding the Fourth Proportional to 31,532.64, 47,307.60 and 16,540.76

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Solution

The fourth proportional to 31,532.64, 47,307.60 and 16,540.76 is: 24,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.64 : 47,307.60 = 16,540.76 : x
  2. Step 2: Convert to fraction form
    31,532.64/47,307.60 = 16,540.76/x
  3. Step 3: Cross multiply
    31,532.64x = 47,307.60 × 16,540.76
  4. Step 4: Simplify right side
    31,532.64x = 782,503,657.78
  5. Step 5: Solve for x
    x = 782,503,657.78/31,532.64
  6. Step 6: Final answer
    x = 24,815.67

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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.