Home / 45,113.85-67,674.26-15,128.15

Finding the Fourth Proportional to 45,113.85, 67,674.26 and 15,128.15

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Solution

The fourth proportional to 45,113.85, 67,674.26 and 15,128.15 is: 22,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,113.85 : 67,674.26 = 15,128.15 : x
  2. Step 2: Convert to fraction form
    45,113.85/67,674.26 = 15,128.15/x
  3. Step 3: Cross multiply
    45,113.85x = 67,674.26 × 15,128.15
  4. Step 4: Simplify right side
    45,113.85x = 1,023,785,942.41
  5. Step 5: Solve for x
    x = 1,023,785,942.41/45,113.85
  6. Step 6: Final answer
    x = 22,693.38

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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.