Home / 35,817.74-53,749.94-13,631.30

Finding the Fourth Proportional to 35,817.74, 53,749.94 and 13,631.30

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Solution

The fourth proportional to 35,817.74, 53,749.94 and 13,631.30 is: 20,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,817.74 : 53,749.94 = 13,631.30 : x
  2. Step 2: Convert to fraction form
    35,817.74/53,749.94 = 13,631.30/x
  3. Step 3: Cross multiply
    35,817.74x = 53,749.94 × 13,631.30
  4. Step 4: Simplify right side
    35,817.74x = 732,681,557.12
  5. Step 5: Solve for x
    x = 732,681,557.12/35,817.74
  6. Step 6: Final answer
    x = 20,455.83

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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.