Home / 34,313.40-51,470.10-12,126.60

Finding the Fourth Proportional to 34,313.40, 51,470.10 and 12,126.60

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Solution

The fourth proportional to 34,313.40, 51,470.10 and 12,126.60 is: 18,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,313.40 : 51,470.10 = 12,126.60 : x
  2. Step 2: Convert to fraction form
    34,313.40/51,470.10 = 12,126.60/x
  3. Step 3: Cross multiply
    34,313.40x = 51,470.10 × 12,126.60
  4. Step 4: Simplify right side
    34,313.40x = 624,157,314.66
  5. Step 5: Solve for x
    x = 624,157,314.66/34,313.40
  6. Step 6: Final answer
    x = 18,189.90

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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.