Home / 42,636.80-63,949.44-11,473.92

Finding the Fourth Proportional to 42,636.80, 63,949.44 and 11,473.92

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Solution

The fourth proportional to 42,636.80, 63,949.44 and 11,473.92 is: 17,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,636.80 : 63,949.44 = 11,473.92 : x
  2. Step 2: Convert to fraction form
    42,636.80/63,949.44 = 11,473.92/x
  3. Step 3: Cross multiply
    42,636.80x = 63,949.44 × 11,473.92
  4. Step 4: Simplify right side
    42,636.80x = 733,750,758.60
  5. Step 5: Solve for x
    x = 733,750,758.60/42,636.80
  6. Step 6: Final answer
    x = 17,209.33

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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.