Home / 40,829.40-61,252.74-18,636.57

Finding the Fourth Proportional to 40,829.40, 61,252.74 and 18,636.57

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Solution

The fourth proportional to 40,829.40, 61,252.74 and 18,636.57 is: 27,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,829.40 : 61,252.74 = 18,636.57 : x
  2. Step 2: Convert to fraction form
    40,829.40/61,252.74 = 18,636.57/x
  3. Step 3: Cross multiply
    40,829.40x = 61,252.74 × 18,636.57
  4. Step 4: Simplify right side
    40,829.40x = 1,141,540,976.70
  5. Step 5: Solve for x
    x = 1,141,540,976.70/40,829.40
  6. Step 6: Final answer
    x = 27,958.80

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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.