Home / 45,083.50-67,581.30-18,795.76

Finding the Fourth Proportional to 45,083.50, 67,581.30 and 18,795.76

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Solution

The fourth proportional to 45,083.50, 67,581.30 and 18,795.76 is: 28,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,083.50 : 67,581.30 = 18,795.76 : x
  2. Step 2: Convert to fraction form
    45,083.50/67,581.30 = 18,795.76/x
  3. Step 3: Cross multiply
    45,083.50x = 67,581.30 × 18,795.76
  4. Step 4: Simplify right side
    45,083.50x = 1,270,241,895.29
  5. Step 5: Solve for x
    x = 1,270,241,895.29/45,083.50
  6. Step 6: Final answer
    x = 28,175.32

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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.