Home / 34,292.75-51,455.30-12,116.57

Finding the Fourth Proportional to 34,292.75, 51,455.30 and 12,116.57

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Solution

The fourth proportional to 34,292.75, 51,455.30 and 12,116.57 is: 18,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,292.75 : 51,455.30 = 12,116.57 : x
  2. Step 2: Convert to fraction form
    34,292.75/51,455.30 = 12,116.57/x
  3. Step 3: Cross multiply
    34,292.75x = 51,455.30 × 12,116.57
  4. Step 4: Simplify right side
    34,292.75x = 623,461,426.46
  5. Step 5: Solve for x
    x = 623,461,426.46/34,292.75
  6. Step 6: Final answer
    x = 18,180.56

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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.