Home / 37,488-51,721.38-22,383.12

Finding the Fourth Proportional to 37,488, 51,721.38 and 22,383.12

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Solution

The fourth proportional to 37,488, 51,721.38 and 22,383.12 is: 30,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,488 : 51,721.38 = 22,383.12 : x
  2. Step 2: Convert to fraction form
    37,488/51,721.38 = 22,383.12/x
  3. Step 3: Cross multiply
    37,488x = 51,721.38 × 22,383.12
  4. Step 4: Simplify right side
    37,488x = 1,157,685,855.11
  5. Step 5: Solve for x
    x = 1,157,685,855.11/37,488
  6. Step 6: Final answer
    x = 30,881.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.