Home / 50,321.10-75,433.65-18,722.70

Finding the Fourth Proportional to 50,321.10, 75,433.65 and 18,722.70

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Solution

The fourth proportional to 50,321.10, 75,433.65 and 18,722.70 is: 28,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,321.10 : 75,433.65 = 18,722.70 : x
  2. Step 2: Convert to fraction form
    50,321.10/75,433.65 = 18,722.70/x
  3. Step 3: Cross multiply
    50,321.10x = 75,433.65 × 18,722.70
  4. Step 4: Simplify right side
    50,321.10x = 1,412,321,598.86
  5. Step 5: Solve for x
    x = 1,412,321,598.86/50,321.10
  6. Step 6: Final answer
    x = 28,066.19

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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.