Home / 40,029.55-60,042.96-18,979.67

Finding the Fourth Proportional to 40,029.55, 60,042.96 and 18,979.67

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Solution

The fourth proportional to 40,029.55, 60,042.96 and 18,979.67 is: 28,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.55 : 60,042.96 = 18,979.67 : x
  2. Step 2: Convert to fraction form
    40,029.55/60,042.96 = 18,979.67/x
  3. Step 3: Cross multiply
    40,029.55x = 60,042.96 × 18,979.67
  4. Step 4: Simplify right side
    40,029.55x = 1,139,595,716.73
  5. Step 5: Solve for x
    x = 1,139,595,716.73/40,029.55
  6. Step 6: Final answer
    x = 28,468.86

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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.