Home / 31,420.35-47,075.18-16,596.61

Finding the Fourth Proportional to 31,420.35, 47,075.18 and 16,596.61

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Solution

The fourth proportional to 31,420.35, 47,075.18 and 16,596.61 is: 24,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,420.35 : 47,075.18 = 16,596.61 : x
  2. Step 2: Convert to fraction form
    31,420.35/47,075.18 = 16,596.61/x
  3. Step 3: Cross multiply
    31,420.35x = 47,075.18 × 16,596.61
  4. Step 4: Simplify right side
    31,420.35x = 781,288,202.47
  5. Step 5: Solve for x
    x = 781,288,202.47/31,420.35
  6. Step 6: Final answer
    x = 24,865.67

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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.