Home / 30,067.20-41,492.88-17,492.40

Finding the Fourth Proportional to 30,067.20, 41,492.88 and 17,492.40

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Solution

The fourth proportional to 30,067.20, 41,492.88 and 17,492.40 is: 24,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.20 : 41,492.88 = 17,492.40 : x
  2. Step 2: Convert to fraction form
    30,067.20/41,492.88 = 17,492.40/x
  3. Step 3: Cross multiply
    30,067.20x = 41,492.88 × 17,492.40
  4. Step 4: Simplify right side
    30,067.20x = 725,810,054.11
  5. Step 5: Solve for x
    x = 725,810,054.11/30,067.20
  6. Step 6: Final answer
    x = 24,139.60

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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.