Home / 35,631.27-53,454.54-13,142.03

Finding the Fourth Proportional to 35,631.27, 53,454.54 and 13,142.03

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Solution

The fourth proportional to 35,631.27, 53,454.54 and 13,142.03 is: 19,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,631.27 : 53,454.54 = 13,142.03 : x
  2. Step 2: Convert to fraction form
    35,631.27/53,454.54 = 13,142.03/x
  3. Step 3: Cross multiply
    35,631.27x = 53,454.54 × 13,142.03
  4. Step 4: Simplify right side
    35,631.27x = 702,500,901.04
  5. Step 5: Solve for x
    x = 702,500,901.04/35,631.27
  6. Step 6: Final answer
    x = 19,715.85

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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.