Home / 20,760.30-31,140.45-16,094.70

Finding the Fourth Proportional to 20,760.30, 31,140.45 and 16,094.70

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Solution

The fourth proportional to 20,760.30, 31,140.45 and 16,094.70 is: 24,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760.30 : 31,140.45 = 16,094.70 : x
  2. Step 2: Convert to fraction form
    20,760.30/31,140.45 = 16,094.70/x
  3. Step 3: Cross multiply
    20,760.30x = 31,140.45 × 16,094.70
  4. Step 4: Simplify right side
    20,760.30x = 501,196,200.62
  5. Step 5: Solve for x
    x = 501,196,200.62/20,760.30
  6. Step 6: Final answer
    x = 24,142.05

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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.