Home / 20,029.20-29,971.80-14,845.20

Finding the Fourth Proportional to 20,029.20, 29,971.80 and 14,845.20

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Solution

The fourth proportional to 20,029.20, 29,971.80 and 14,845.20 is: 22,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.20 : 29,971.80 = 14,845.20 : x
  2. Step 2: Convert to fraction form
    20,029.20/29,971.80 = 14,845.20/x
  3. Step 3: Cross multiply
    20,029.20x = 29,971.80 × 14,845.20
  4. Step 4: Simplify right side
    20,029.20x = 444,937,365.36
  5. Step 5: Solve for x
    x = 444,937,365.36/20,029.20
  6. Step 6: Final answer
    x = 22,214.44

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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.