Home / 40,503.57-60,767.03-12,427.75

Finding the Fourth Proportional to 40,503.57, 60,767.03 and 12,427.75

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Solution

The fourth proportional to 40,503.57, 60,767.03 and 12,427.75 is: 18,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,503.57 : 60,767.03 = 12,427.75 : x
  2. Step 2: Convert to fraction form
    40,503.57/60,767.03 = 12,427.75/x
  3. Step 3: Cross multiply
    40,503.57x = 60,767.03 × 12,427.75
  4. Step 4: Simplify right side
    40,503.57x = 755,197,457.08
  5. Step 5: Solve for x
    x = 755,197,457.08/40,503.57
  6. Step 6: Final answer
    x = 18,645.21

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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.