Home / 45,028.56-67,506.40-18,753.04

Finding the Fourth Proportional to 45,028.56, 67,506.40 and 18,753.04

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Solution

The fourth proportional to 45,028.56, 67,506.40 and 18,753.04 is: 28,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,028.56 : 67,506.40 = 18,753.04 : x
  2. Step 2: Convert to fraction form
    45,028.56/67,506.40 = 18,753.04/x
  3. Step 3: Cross multiply
    45,028.56x = 67,506.40 × 18,753.04
  4. Step 4: Simplify right side
    45,028.56x = 1,265,950,219.46
  5. Step 5: Solve for x
    x = 1,265,950,219.46/45,028.56
  6. Step 6: Final answer
    x = 28,114.38

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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.