Home / 34,692.20-47,875.20-18,776.61

Finding the Fourth Proportional to 34,692.20, 47,875.20 and 18,776.61

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Solution

The fourth proportional to 34,692.20, 47,875.20 and 18,776.61 is: 25,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,692.20 : 47,875.20 = 18,776.61 : x
  2. Step 2: Convert to fraction form
    34,692.20/47,875.20 = 18,776.61/x
  3. Step 3: Cross multiply
    34,692.20x = 47,875.20 × 18,776.61
  4. Step 4: Simplify right side
    34,692.20x = 898,933,994.28
  5. Step 5: Solve for x
    x = 898,933,994.28/34,692.20
  6. Step 6: Final answer
    x = 25,911.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.