Home / 45,028.08-67,505.55-18,752.46

Finding the Fourth Proportional to 45,028.08, 67,505.55 and 18,752.46

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Solution

The fourth proportional to 45,028.08, 67,505.55 and 18,752.46 is: 28,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,028.08 : 67,505.55 = 18,752.46 : x
  2. Step 2: Convert to fraction form
    45,028.08/67,505.55 = 18,752.46/x
  3. Step 3: Cross multiply
    45,028.08x = 67,505.55 × 18,752.46
  4. Step 4: Simplify right side
    45,028.08x = 1,265,895,126.15
  5. Step 5: Solve for x
    x = 1,265,895,126.15/45,028.08
  6. Step 6: Final answer
    x = 28,113.46

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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.