Home / 37,269.50-51,432.58-20,274.12

Finding the Fourth Proportional to 37,269.50, 51,432.58 and 20,274.12

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Solution

The fourth proportional to 37,269.50, 51,432.58 and 20,274.12 is: 27,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,269.50 : 51,432.58 = 20,274.12 : x
  2. Step 2: Convert to fraction form
    37,269.50/51,432.58 = 20,274.12/x
  3. Step 3: Cross multiply
    37,269.50x = 51,432.58 × 20,274.12
  4. Step 4: Simplify right side
    37,269.50x = 1,042,750,298.83
  5. Step 5: Solve for x
    x = 1,042,750,298.83/37,269.50
  6. Step 6: Final answer
    x = 27,978.65

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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.