Home / 37,620.56-51,916.32-20,624.80

Finding the Fourth Proportional to 37,620.56, 51,916.32 and 20,624.80

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Solution

The fourth proportional to 37,620.56, 51,916.32 and 20,624.80 is: 28,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,620.56 : 51,916.32 = 20,624.80 : x
  2. Step 2: Convert to fraction form
    37,620.56/51,916.32 = 20,624.80/x
  3. Step 3: Cross multiply
    37,620.56x = 51,916.32 × 20,624.80
  4. Step 4: Simplify right side
    37,620.56x = 1,070,763,716.74
  5. Step 5: Solve for x
    x = 1,070,763,716.74/37,620.56
  6. Step 6: Final answer
    x = 28,462.20

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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.