Home / 30,157.94-45,236.99-9,104.04

Finding the Fourth Proportional to 30,157.94, 45,236.99 and 9,104.04

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Solution

The fourth proportional to 30,157.94, 45,236.99 and 9,104.04 is: 13,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.94 : 45,236.99 = 9,104.04 : x
  2. Step 2: Convert to fraction form
    30,157.94/45,236.99 = 9,104.04/x
  3. Step 3: Cross multiply
    30,157.94x = 45,236.99 × 9,104.04
  4. Step 4: Simplify right side
    30,157.94x = 411,839,389.20
  5. Step 5: Solve for x
    x = 411,839,389.20/30,157.94
  6. Step 6: Final answer
    x = 13,656.08

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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.