Home / 20,059.20-29,991.60-14,810.40

Finding the Fourth Proportional to 20,059.20, 29,991.60 and 14,810.40

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Solution

The fourth proportional to 20,059.20, 29,991.60 and 14,810.40 is: 22,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.20 : 29,991.60 = 14,810.40 : x
  2. Step 2: Convert to fraction form
    20,059.20/29,991.60 = 14,810.40/x
  3. Step 3: Cross multiply
    20,059.20x = 29,991.60 × 14,810.40
  4. Step 4: Simplify right side
    20,059.20x = 444,187,592.64
  5. Step 5: Solve for x
    x = 444,187,592.64/20,059.20
  6. Step 6: Final answer
    x = 22,143.83

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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.