Home / 31,517.35-47,270.85-12,796.63

Finding the Fourth Proportional to 31,517.35, 47,270.85 and 12,796.63

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Solution

The fourth proportional to 31,517.35, 47,270.85 and 12,796.63 is: 19,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.35 : 47,270.85 = 12,796.63 : x
  2. Step 2: Convert to fraction form
    31,517.35/47,270.85 = 12,796.63/x
  3. Step 3: Cross multiply
    31,517.35x = 47,270.85 × 12,796.63
  4. Step 4: Simplify right side
    31,517.35x = 604,907,459.06
  5. Step 5: Solve for x
    x = 604,907,459.06/31,517.35
  6. Step 6: Final answer
    x = 19,192.84

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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.