Home / 36,748.08-55,120.90-15,971.60

Finding the Fourth Proportional to 36,748.08, 55,120.90 and 15,971.60

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Solution

The fourth proportional to 36,748.08, 55,120.90 and 15,971.60 is: 23,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,748.08 : 55,120.90 = 15,971.60 : x
  2. Step 2: Convert to fraction form
    36,748.08/55,120.90 = 15,971.60/x
  3. Step 3: Cross multiply
    36,748.08x = 55,120.90 × 15,971.60
  4. Step 4: Simplify right side
    36,748.08x = 880,368,966.44
  5. Step 5: Solve for x
    x = 880,368,966.44/36,748.08
  6. Step 6: Final answer
    x = 23,956.87

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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.