Home / 35,455.40-53,183.10-12,082.60

Finding the Fourth Proportional to 35,455.40, 53,183.10 and 12,082.60

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Solution

The fourth proportional to 35,455.40, 53,183.10 and 12,082.60 is: 18,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.40 : 53,183.10 = 12,082.60 : x
  2. Step 2: Convert to fraction form
    35,455.40/53,183.10 = 12,082.60/x
  3. Step 3: Cross multiply
    35,455.40x = 53,183.10 × 12,082.60
  4. Step 4: Simplify right side
    35,455.40x = 642,590,124.06
  5. Step 5: Solve for x
    x = 642,590,124.06/35,455.40
  6. Step 6: Final answer
    x = 18,123.90

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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.