Home / 36,720.33-55,082.58-10,423

Finding the Fourth Proportional to 36,720.33, 55,082.58 and 10,423

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Solution

The fourth proportional to 36,720.33, 55,082.58 and 10,423 is: 15,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.33 : 55,082.58 = 10,423 : x
  2. Step 2: Convert to fraction form
    36,720.33/55,082.58 = 10,423/x
  3. Step 3: Cross multiply
    36,720.33x = 55,082.58 × 10,423
  4. Step 4: Simplify right side
    36,720.33x = 574,125,731.34
  5. Step 5: Solve for x
    x = 574,125,731.34/36,720.33
  6. Step 6: Final answer
    x = 15,635.09

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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.