Home / 43,239.48-64,429.36-38,523.25

Finding the Fourth Proportional to 43,239.48, 64,429.36 and 38,523.25

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Solution

The fourth proportional to 43,239.48, 64,429.36 and 38,523.25 is: 57,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,239.48 : 64,429.36 = 38,523.25 : x
  2. Step 2: Convert to fraction form
    43,239.48/64,429.36 = 38,523.25/x
  3. Step 3: Cross multiply
    43,239.48x = 64,429.36 × 38,523.25
  4. Step 4: Simplify right side
    43,239.48x = 2,482,028,342.62
  5. Step 5: Solve for x
    x = 2,482,028,342.62/43,239.48
  6. Step 6: Final answer
    x = 57,401.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.