Home / 37,276.85-55,903.41-12,312.23

Finding the Fourth Proportional to 37,276.85, 55,903.41 and 12,312.23

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Solution

The fourth proportional to 37,276.85, 55,903.41 and 12,312.23 is: 18,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,276.85 : 55,903.41 = 12,312.23 : x
  2. Step 2: Convert to fraction form
    37,276.85/55,903.41 = 12,312.23/x
  3. Step 3: Cross multiply
    37,276.85x = 55,903.41 × 12,312.23
  4. Step 4: Simplify right side
    37,276.85x = 688,295,641.70
  5. Step 5: Solve for x
    x = 688,295,641.70/37,276.85
  6. Step 6: Final answer
    x = 18,464.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.