Home / 35,385.57-53,082.08-17,620.64

Finding the Fourth Proportional to 35,385.57, 53,082.08 and 17,620.64

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Solution

The fourth proportional to 35,385.57, 53,082.08 and 17,620.64 is: 26,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,385.57 : 53,082.08 = 17,620.64 : x
  2. Step 2: Convert to fraction form
    35,385.57/53,082.08 = 17,620.64/x
  3. Step 3: Cross multiply
    35,385.57x = 53,082.08 × 17,620.64
  4. Step 4: Simplify right side
    35,385.57x = 935,339,868.62
  5. Step 5: Solve for x
    x = 935,339,868.62/35,385.57
  6. Step 6: Final answer
    x = 26,432.80

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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.