Home / 34,231.40-51,347.10-12,069.80

Finding the Fourth Proportional to 34,231.40, 51,347.10 and 12,069.80

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Solution

The fourth proportional to 34,231.40, 51,347.10 and 12,069.80 is: 18,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,231.40 : 51,347.10 = 12,069.80 : x
  2. Step 2: Convert to fraction form
    34,231.40/51,347.10 = 12,069.80/x
  3. Step 3: Cross multiply
    34,231.40x = 51,347.10 × 12,069.80
  4. Step 4: Simplify right side
    34,231.40x = 619,749,227.58
  5. Step 5: Solve for x
    x = 619,749,227.58/34,231.40
  6. Step 6: Final answer
    x = 18,104.70

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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.