Home / 37,788-56,673.12-15,579.36

Finding the Fourth Proportional to 37,788, 56,673.12 and 15,579.36

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Solution

The fourth proportional to 37,788, 56,673.12 and 15,579.36 is: 23,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,788 : 56,673.12 = 15,579.36 : x
  2. Step 2: Convert to fraction form
    37,788/56,673.12 = 15,579.36/x
  3. Step 3: Cross multiply
    37,788x = 56,673.12 × 15,579.36
  4. Step 4: Simplify right side
    37,788x = 882,930,938.80
  5. Step 5: Solve for x
    x = 882,930,938.80/37,788
  6. Step 6: Final answer
    x = 23,365.38

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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.