Home / 34,316.28-51,475.86-12,129.84

Finding the Fourth Proportional to 34,316.28, 51,475.86 and 12,129.84

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Solution

The fourth proportional to 34,316.28, 51,475.86 and 12,129.84 is: 18,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,316.28 : 51,475.86 = 12,129.84 : x
  2. Step 2: Convert to fraction form
    34,316.28/51,475.86 = 12,129.84/x
  3. Step 3: Cross multiply
    34,316.28x = 51,475.86 × 12,129.84
  4. Step 4: Simplify right side
    34,316.28x = 624,393,945.66
  5. Step 5: Solve for x
    x = 624,393,945.66/34,316.28
  6. Step 6: Final answer
    x = 18,195.27

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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.