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Finding the Fourth Proportional to 37,147.63, 51,264.63 and 20,380.63

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Solution

The fourth proportional to 37,147.63, 51,264.63 and 20,380.63 is: 28,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,147.63 : 51,264.63 = 20,380.63 : x
  2. Step 2: Convert to fraction form
    37,147.63/51,264.63 = 20,380.63/x
  3. Step 3: Cross multiply
    37,147.63x = 51,264.63 × 20,380.63
  4. Step 4: Simplify right side
    37,147.63x = 1,044,805,097.89
  5. Step 5: Solve for x
    x = 1,044,805,097.89/37,147.63
  6. Step 6: Final answer
    x = 28,125.76

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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.