Home / 31,835.09-47,752.58-8,461.52

Finding the Fourth Proportional to 31,835.09, 47,752.58 and 8,461.52

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Solution

The fourth proportional to 31,835.09, 47,752.58 and 8,461.52 is: 12,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.09 : 47,752.58 = 8,461.52 : x
  2. Step 2: Convert to fraction form
    31,835.09/47,752.58 = 8,461.52/x
  3. Step 3: Cross multiply
    31,835.09x = 47,752.58 × 8,461.52
  4. Step 4: Simplify right side
    31,835.09x = 404,059,593.20
  5. Step 5: Solve for x
    x = 404,059,593.20/31,835.09
  6. Step 6: Final answer
    x = 12,692.27

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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.