Home / 30,089.43-45,140.36-9,028.62

Finding the Fourth Proportional to 30,089.43, 45,140.36 and 9,028.62

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Solution

The fourth proportional to 30,089.43, 45,140.36 and 9,028.62 is: 13,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.43 : 45,140.36 = 9,028.62 : x
  2. Step 2: Convert to fraction form
    30,089.43/45,140.36 = 9,028.62/x
  3. Step 3: Cross multiply
    30,089.43x = 45,140.36 × 9,028.62
  4. Step 4: Simplify right side
    30,089.43x = 407,555,157.10
  5. Step 5: Solve for x
    x = 407,555,157.10/30,089.43
  6. Step 6: Final answer
    x = 13,544.79

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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.