Home / 31,677.13-47,518.26-8,303.50

Finding the Fourth Proportional to 31,677.13, 47,518.26 and 8,303.50

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Solution

The fourth proportional to 31,677.13, 47,518.26 and 8,303.50 is: 12,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,677.13 : 47,518.26 = 8,303.50 : x
  2. Step 2: Convert to fraction form
    31,677.13/47,518.26 = 8,303.50/x
  3. Step 3: Cross multiply
    31,677.13x = 47,518.26 × 8,303.50
  4. Step 4: Simplify right side
    31,677.13x = 394,567,871.91
  5. Step 5: Solve for x
    x = 394,567,871.91/31,677.13
  6. Step 6: Final answer
    x = 12,455.92

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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.