Home / 37,278.25-51,443.99-20,511.25

Finding the Fourth Proportional to 37,278.25, 51,443.99 and 20,511.25

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Solution

The fourth proportional to 37,278.25, 51,443.99 and 20,511.25 is: 28,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.25 : 51,443.99 = 20,511.25 : x
  2. Step 2: Convert to fraction form
    37,278.25/51,443.99 = 20,511.25/x
  3. Step 3: Cross multiply
    37,278.25x = 51,443.99 × 20,511.25
  4. Step 4: Simplify right side
    37,278.25x = 1,055,180,437.33
  5. Step 5: Solve for x
    x = 1,055,180,437.33/37,278.25
  6. Step 6: Final answer
    x = 28,305.53

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1.5x scale

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.