Home / 45,011.82-67,539.72-30,028.68

Finding the Fourth Proportional to 45,011.82, 67,539.72 and 30,028.68

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Solution

The fourth proportional to 45,011.82, 67,539.72 and 30,028.68 is: 45,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,011.82 : 67,539.72 = 30,028.68 : x
  2. Step 2: Convert to fraction form
    45,011.82/67,539.72 = 30,028.68/x
  3. Step 3: Cross multiply
    45,011.82x = 67,539.72 × 30,028.68
  4. Step 4: Simplify right side
    45,011.82x = 2,028,128,639.17
  5. Step 5: Solve for x
    x = 2,028,128,639.17/45,011.82
  6. Step 6: Final answer
    x = 45,057.69

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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.