Home / 35,581.55-53,373.24-16,857.20

Finding the Fourth Proportional to 35,581.55, 53,373.24 and 16,857.20

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Solution

The fourth proportional to 35,581.55, 53,373.24 and 16,857.20 is: 25,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.55 : 53,373.24 = 16,857.20 : x
  2. Step 2: Convert to fraction form
    35,581.55/53,373.24 = 16,857.20/x
  3. Step 3: Cross multiply
    35,581.55x = 53,373.24 × 16,857.20
  4. Step 4: Simplify right side
    35,581.55x = 899,723,381.33
  5. Step 5: Solve for x
    x = 899,723,381.33/35,581.55
  6. Step 6: Final answer
    x = 25,286.23

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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.