Home / 50,321.60-75,434.40-18,723.20

Finding the Fourth Proportional to 50,321.60, 75,434.40 and 18,723.20

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Solution

The fourth proportional to 50,321.60, 75,434.40 and 18,723.20 is: 28,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,321.60 : 75,434.40 = 18,723.20 : x
  2. Step 2: Convert to fraction form
    50,321.60/75,434.40 = 18,723.20/x
  3. Step 3: Cross multiply
    50,321.60x = 75,434.40 × 18,723.20
  4. Step 4: Simplify right side
    50,321.60x = 1,412,373,358.08
  5. Step 5: Solve for x
    x = 1,412,373,358.08/50,321.60
  6. Step 6: Final answer
    x = 28,066.94

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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.