Home / 35,530.90-53,286.60-13,342.60

Finding the Fourth Proportional to 35,530.90, 53,286.60 and 13,342.60

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Solution

The fourth proportional to 35,530.90, 53,286.60 and 13,342.60 is: 20,010.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,530.90 : 53,286.60 = 13,342.60 : x
  2. Step 2: Convert to fraction form
    35,530.90/53,286.60 = 13,342.60/x
  3. Step 3: Cross multiply
    35,530.90x = 53,286.60 × 13,342.60
  4. Step 4: Simplify right side
    35,530.90x = 710,981,789.16
  5. Step 5: Solve for x
    x = 710,981,789.16/35,530.90
  6. Step 6: Final answer
    x = 20,010.24

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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.