Home / 37,278.78-51,445.67-20,283.95

Finding the Fourth Proportional to 37,278.78, 51,445.67 and 20,283.95

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Solution

The fourth proportional to 37,278.78, 51,445.67 and 20,283.95 is: 27,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.78 : 51,445.67 = 20,283.95 : x
  2. Step 2: Convert to fraction form
    37,278.78/51,445.67 = 20,283.95/x
  3. Step 3: Cross multiply
    37,278.78x = 51,445.67 × 20,283.95
  4. Step 4: Simplify right side
    37,278.78x = 1,043,521,039.35
  5. Step 5: Solve for x
    x = 1,043,521,039.35/37,278.78
  6. Step 6: Final answer
    x = 27,992.36

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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.