Home / 20,701.46-31,047.63-5,910.05

Finding the Fourth Proportional to 20,701.46, 31,047.63 and 5,910.05

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Solution

The fourth proportional to 20,701.46, 31,047.63 and 5,910.05 is: 8,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.46 : 31,047.63 = 5,910.05 : x
  2. Step 2: Convert to fraction form
    20,701.46/31,047.63 = 5,910.05/x
  3. Step 3: Cross multiply
    20,701.46x = 31,047.63 × 5,910.05
  4. Step 4: Simplify right side
    20,701.46x = 183,492,890.44
  5. Step 5: Solve for x
    x = 183,492,890.44/20,701.46
  6. Step 6: Final answer
    x = 8,863.77

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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.