Home / 37,201.12-55,809.90-12,240.16

Finding the Fourth Proportional to 37,201.12, 55,809.90 and 12,240.16

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Solution

The fourth proportional to 37,201.12, 55,809.90 and 12,240.16 is: 18,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,201.12 : 55,809.90 = 12,240.16 : x
  2. Step 2: Convert to fraction form
    37,201.12/55,809.90 = 12,240.16/x
  3. Step 3: Cross multiply
    37,201.12x = 55,809.90 × 12,240.16
  4. Step 4: Simplify right side
    37,201.12x = 683,122,105.58
  5. Step 5: Solve for x
    x = 683,122,105.58/37,201.12
  6. Step 6: Final answer
    x = 18,362.94

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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.