Home / 45,113.22-67,673.34-18,825.48

Finding the Fourth Proportional to 45,113.22, 67,673.34 and 18,825.48

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Solution

The fourth proportional to 45,113.22, 67,673.34 and 18,825.48 is: 28,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,113.22 : 67,673.34 = 18,825.48 : x
  2. Step 2: Convert to fraction form
    45,113.22/67,673.34 = 18,825.48/x
  3. Step 3: Cross multiply
    45,113.22x = 67,673.34 × 18,825.48
  4. Step 4: Simplify right side
    45,113.22x = 1,273,983,108.70
  5. Step 5: Solve for x
    x = 1,273,983,108.70/45,113.22
  6. Step 6: Final answer
    x = 28,239.68

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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.