Home / 37,578.49-56,388.48-20,947.89

Finding the Fourth Proportional to 37,578.49, 56,388.48 and 20,947.89

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Solution

The fourth proportional to 37,578.49, 56,388.48 and 20,947.89 is: 31,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,578.49 : 56,388.48 = 20,947.89 : x
  2. Step 2: Convert to fraction form
    37,578.49/56,388.48 = 20,947.89/x
  3. Step 3: Cross multiply
    37,578.49x = 56,388.48 × 20,947.89
  4. Step 4: Simplify right side
    37,578.49x = 1,181,219,676.31
  5. Step 5: Solve for x
    x = 1,181,219,676.31/37,578.49
  6. Step 6: Final answer
    x = 31,433.40

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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.