Home / 37,388.20-51,596.26-20,621.16

Finding the Fourth Proportional to 37,388.20, 51,596.26 and 20,621.16

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Solution

The fourth proportional to 37,388.20, 51,596.26 and 20,621.16 is: 28,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,388.20 : 51,596.26 = 20,621.16 : x
  2. Step 2: Convert to fraction form
    37,388.20/51,596.26 = 20,621.16/x
  3. Step 3: Cross multiply
    37,388.20x = 51,596.26 × 20,621.16
  4. Step 4: Simplify right side
    37,388.20x = 1,063,974,732.86
  5. Step 5: Solve for x
    x = 1,063,974,732.86/37,388.20
  6. Step 6: Final answer
    x = 28,457.50

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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.