Home / 43,445.68-65,199.60-18,503.20

Finding the Fourth Proportional to 43,445.68, 65,199.60 and 18,503.20

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Solution

The fourth proportional to 43,445.68, 65,199.60 and 18,503.20 is: 27,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,445.68 : 65,199.60 = 18,503.20 : x
  2. Step 2: Convert to fraction form
    43,445.68/65,199.60 = 18,503.20/x
  3. Step 3: Cross multiply
    43,445.68x = 65,199.60 × 18,503.20
  4. Step 4: Simplify right side
    43,445.68x = 1,206,401,238.72
  5. Step 5: Solve for x
    x = 1,206,401,238.72/43,445.68
  6. Step 6: Final answer
    x = 27,768.04

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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.