Home / 40,520.10-60,773.09-18,328.28

Finding the Fourth Proportional to 40,520.10, 60,773.09 and 18,328.28

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Solution

The fourth proportional to 40,520.10, 60,773.09 and 18,328.28 is: 27,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,520.10 : 60,773.09 = 18,328.28 : x
  2. Step 2: Convert to fraction form
    40,520.10/60,773.09 = 18,328.28/x
  3. Step 3: Cross multiply
    40,520.10x = 60,773.09 × 18,328.28
  4. Step 4: Simplify right side
    40,520.10x = 1,113,865,814.48
  5. Step 5: Solve for x
    x = 1,113,865,814.48/40,520.10
  6. Step 6: Final answer
    x = 27,489.22

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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.