Home / 37,190.57-51,322.94-20,423.57

Finding the Fourth Proportional to 37,190.57, 51,322.94 and 20,423.57

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Solution

The fourth proportional to 37,190.57, 51,322.94 and 20,423.57 is: 28,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,190.57 : 51,322.94 = 20,423.57 : x
  2. Step 2: Convert to fraction form
    37,190.57/51,322.94 = 20,423.57/x
  3. Step 3: Cross multiply
    37,190.57x = 51,322.94 × 20,423.57
  4. Step 4: Simplify right side
    37,190.57x = 1,048,197,657.70
  5. Step 5: Solve for x
    x = 1,048,197,657.70/37,190.57
  6. Step 6: Final answer
    x = 28,184.50

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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.