Home / 33,423-50,155.32-30,308.66

Finding the Fourth Proportional to 33,423, 50,155.32 and 30,308.66

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Solution

The fourth proportional to 33,423, 50,155.32 and 30,308.66 is: 45,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,423 : 50,155.32 = 30,308.66 : x
  2. Step 2: Convert to fraction form
    33,423/50,155.32 = 30,308.66/x
  3. Step 3: Cross multiply
    33,423x = 50,155.32 × 30,308.66
  4. Step 4: Simplify right side
    33,423x = 1,520,140,541.07
  5. Step 5: Solve for x
    x = 1,520,140,541.07/33,423
  6. Step 6: Final answer
    x = 45,481.87

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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.