Home / 30,334.40-45,528.60-17,838.80

Finding the Fourth Proportional to 30,334.40, 45,528.60 and 17,838.80

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Solution

The fourth proportional to 30,334.40, 45,528.60 and 17,838.80 is: 26,774.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.40 : 45,528.60 = 17,838.80 : x
  2. Step 2: Convert to fraction form
    30,334.40/45,528.60 = 17,838.80/x
  3. Step 3: Cross multiply
    30,334.40x = 45,528.60 × 17,838.80
  4. Step 4: Simplify right side
    30,334.40x = 812,175,589.68
  5. Step 5: Solve for x
    x = 812,175,589.68/30,334.40
  6. Step 6: Final answer
    x = 26,774.08

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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.