Home / 30,173.94-45,260.91-19,151.46

Finding the Fourth Proportional to 30,173.94, 45,260.91 and 19,151.46

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Solution

The fourth proportional to 30,173.94, 45,260.91 and 19,151.46 is: 28,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.94 : 45,260.91 = 19,151.46 : x
  2. Step 2: Convert to fraction form
    30,173.94/45,260.91 = 19,151.46/x
  3. Step 3: Cross multiply
    30,173.94x = 45,260.91 × 19,151.46
  4. Step 4: Simplify right side
    30,173.94x = 866,812,507.43
  5. Step 5: Solve for x
    x = 866,812,507.43/30,173.94
  6. Step 6: Final answer
    x = 28,727.19

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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.