Home / 34,909.20-48,173.28-18,993.71

Finding the Fourth Proportional to 34,909.20, 48,173.28 and 18,993.71

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Solution

The fourth proportional to 34,909.20, 48,173.28 and 18,993.71 is: 26,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,909.20 : 48,173.28 = 18,993.71 : x
  2. Step 2: Convert to fraction form
    34,909.20/48,173.28 = 18,993.71/x
  3. Step 3: Cross multiply
    34,909.20x = 48,173.28 × 18,993.71
  4. Step 4: Simplify right side
    34,909.20x = 914,989,310.07
  5. Step 5: Solve for x
    x = 914,989,310.07/34,909.20
  6. Step 6: Final answer
    x = 26,210.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.