Home / 31,752.84-47,631.60-10,692.78

Finding the Fourth Proportional to 31,752.84, 47,631.60 and 10,692.78

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Solution

The fourth proportional to 31,752.84, 47,631.60 and 10,692.78 is: 16,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,752.84 : 47,631.60 = 10,692.78 : x
  2. Step 2: Convert to fraction form
    31,752.84/47,631.60 = 10,692.78/x
  3. Step 3: Cross multiply
    31,752.84x = 47,631.60 × 10,692.78
  4. Step 4: Simplify right side
    31,752.84x = 509,314,219.85
  5. Step 5: Solve for x
    x = 509,314,219.85/31,752.84
  6. Step 6: Final answer
    x = 16,039.96

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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.