Home / 31,770.06-47,655.27-8,396.25

Finding the Fourth Proportional to 31,770.06, 47,655.27 and 8,396.25

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Solution

The fourth proportional to 31,770.06, 47,655.27 and 8,396.25 is: 12,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.06 : 47,655.27 = 8,396.25 : x
  2. Step 2: Convert to fraction form
    31,770.06/47,655.27 = 8,396.25/x
  3. Step 3: Cross multiply
    31,770.06x = 47,655.27 × 8,396.25
  4. Step 4: Simplify right side
    31,770.06x = 400,125,560.74
  5. Step 5: Solve for x
    x = 400,125,560.74/31,770.06
  6. Step 6: Final answer
    x = 12,594.42

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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.