Home / 20,839.71-31,262.63-6,046.70

Finding the Fourth Proportional to 20,839.71, 31,262.63 and 6,046.70

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Solution

The fourth proportional to 20,839.71, 31,262.63 and 6,046.70 is: 9,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.71 : 31,262.63 = 6,046.70 : x
  2. Step 2: Convert to fraction form
    20,839.71/31,262.63 = 6,046.70/x
  3. Step 3: Cross multiply
    20,839.71x = 31,262.63 × 6,046.70
  4. Step 4: Simplify right side
    20,839.71x = 189,035,785.15
  5. Step 5: Solve for x
    x = 189,035,785.15/20,839.71
  6. Step 6: Final answer
    x = 9,070.94

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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.