Home / 31,554.20-47,332.52-8,180.03

Finding the Fourth Proportional to 31,554.20, 47,332.52 and 8,180.03

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Solution

The fourth proportional to 31,554.20, 47,332.52 and 8,180.03 is: 12,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554.20 : 47,332.52 = 8,180.03 : x
  2. Step 2: Convert to fraction form
    31,554.20/47,332.52 = 8,180.03/x
  3. Step 3: Cross multiply
    31,554.20x = 47,332.52 × 8,180.03
  4. Step 4: Simplify right side
    31,554.20x = 387,181,433.58
  5. Step 5: Solve for x
    x = 387,181,433.58/31,554.20
  6. Step 6: Final answer
    x = 12,270.36

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1.5x scale

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.