Home / 39,172.62-58,867.36-38,223.08

Finding the Fourth Proportional to 39,172.62, 58,867.36 and 38,223.08

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Solution

The fourth proportional to 39,172.62, 58,867.36 and 38,223.08 is: 57,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.62 : 58,867.36 = 38,223.08 : x
  2. Step 2: Convert to fraction form
    39,172.62/58,867.36 = 38,223.08/x
  3. Step 3: Cross multiply
    39,172.62x = 58,867.36 × 38,223.08
  4. Step 4: Simplify right side
    39,172.62x = 2,250,091,810.67
  5. Step 5: Solve for x
    x = 2,250,091,810.67/39,172.62
  6. Step 6: Final answer
    x = 57,440.42

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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.