Home / 37,269.25-51,432.50-20,274.45

Finding the Fourth Proportional to 37,269.25, 51,432.50 and 20,274.45

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Solution

The fourth proportional to 37,269.25, 51,432.50 and 20,274.45 is: 27,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,269.25 : 51,432.50 = 20,274.45 : x
  2. Step 2: Convert to fraction form
    37,269.25/51,432.50 = 20,274.45/x
  3. Step 3: Cross multiply
    37,269.25x = 51,432.50 × 20,274.45
  4. Step 4: Simplify right side
    37,269.25x = 1,042,765,649.63
  5. Step 5: Solve for x
    x = 1,042,765,649.63/37,269.25
  6. Step 6: Final answer
    x = 27,979.25

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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.