Home / 20,701.29-31,042.58-5,906.69

Finding the Fourth Proportional to 20,701.29, 31,042.58 and 5,906.69

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Solution

The fourth proportional to 20,701.29, 31,042.58 and 5,906.69 is: 8,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.29 : 31,042.58 = 5,906.69 : x
  2. Step 2: Convert to fraction form
    20,701.29/31,042.58 = 5,906.69/x
  3. Step 3: Cross multiply
    20,701.29x = 31,042.58 × 5,906.69
  4. Step 4: Simplify right side
    20,701.29x = 183,358,712.11
  5. Step 5: Solve for x
    x = 183,358,712.11/20,701.29
  6. Step 6: Final answer
    x = 8,857.36

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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.