Home / 30,289.60-41,802.24-16,863.36

Finding the Fourth Proportional to 30,289.60, 41,802.24 and 16,863.36

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Solution

The fourth proportional to 30,289.60, 41,802.24 and 16,863.36 is: 23,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.60 : 41,802.24 = 16,863.36 : x
  2. Step 2: Convert to fraction form
    30,289.60/41,802.24 = 16,863.36/x
  3. Step 3: Cross multiply
    30,289.60x = 41,802.24 × 16,863.36
  4. Step 4: Simplify right side
    30,289.60x = 704,926,221.93
  5. Step 5: Solve for x
    x = 704,926,221.93/30,289.60
  6. Step 6: Final answer
    x = 23,272.88

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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.