Home / 40,234.20-55,489.70-30,184.94

Finding the Fourth Proportional to 40,234.20, 55,489.70 and 30,184.94

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Solution

The fourth proportional to 40,234.20, 55,489.70 and 30,184.94 is: 41,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.20 : 55,489.70 = 30,184.94 : x
  2. Step 2: Convert to fraction form
    40,234.20/55,489.70 = 30,184.94/x
  3. Step 3: Cross multiply
    40,234.20x = 55,489.70 × 30,184.94
  4. Step 4: Simplify right side
    40,234.20x = 1,674,953,265.12
  5. Step 5: Solve for x
    x = 1,674,953,265.12/40,234.20
  6. Step 6: Final answer
    x = 41,630.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.