Home / 35,318.40-52,980.24-11,944.80

Finding the Fourth Proportional to 35,318.40, 52,980.24 and 11,944.80

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Solution

The fourth proportional to 35,318.40, 52,980.24 and 11,944.80 is: 17,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.40 : 52,980.24 = 11,944.80 : x
  2. Step 2: Convert to fraction form
    35,318.40/52,980.24 = 11,944.80/x
  3. Step 3: Cross multiply
    35,318.40x = 52,980.24 × 11,944.80
  4. Step 4: Simplify right side
    35,318.40x = 632,838,370.75
  5. Step 5: Solve for x
    x = 632,838,370.75/35,318.40
  6. Step 6: Final answer
    x = 17,918.09

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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.