Home / 40,218.26-60,364.60-20,511.50

Finding the Fourth Proportional to 40,218.26, 60,364.60 and 20,511.50

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Solution

The fourth proportional to 40,218.26, 60,364.60 and 20,511.50 is: 30,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218.26 : 60,364.60 = 20,511.50 : x
  2. Step 2: Convert to fraction form
    40,218.26/60,364.60 = 20,511.50/x
  3. Step 3: Cross multiply
    40,218.26x = 60,364.60 × 20,511.50
  4. Step 4: Simplify right side
    40,218.26x = 1,238,168,492.90
  5. Step 5: Solve for x
    x = 1,238,168,492.90/40,218.26
  6. Step 6: Final answer
    x = 30,786.23

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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.