Home / 30,367.12-45,492.12-17,179.12

Finding the Fourth Proportional to 30,367.12, 45,492.12 and 17,179.12

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Solution

The fourth proportional to 30,367.12, 45,492.12 and 17,179.12 is: 25,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.12 : 45,492.12 = 17,179.12 : x
  2. Step 2: Convert to fraction form
    30,367.12/45,492.12 = 17,179.12/x
  3. Step 3: Cross multiply
    30,367.12x = 45,492.12 × 17,179.12
  4. Step 4: Simplify right side
    30,367.12x = 781,514,588.53
  5. Step 5: Solve for x
    x = 781,514,588.53/30,367.12
  6. Step 6: Final answer
    x = 25,735.55

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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.