Home / 34,123.45-51,150.18-15,416.57

Finding the Fourth Proportional to 34,123.45, 51,150.18 and 15,416.57

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Solution

The fourth proportional to 34,123.45, 51,150.18 and 15,416.57 is: 23,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,123.45 : 51,150.18 = 15,416.57 : x
  2. Step 2: Convert to fraction form
    34,123.45/51,150.18 = 15,416.57/x
  3. Step 3: Cross multiply
    34,123.45x = 51,150.18 × 15,416.57
  4. Step 4: Simplify right side
    34,123.45x = 788,560,330.48
  5. Step 5: Solve for x
    x = 788,560,330.48/34,123.45
  6. Step 6: Final answer
    x = 23,109.04

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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.