Home / 31,814.33-47,688.68-14,296.46

Finding the Fourth Proportional to 31,814.33, 47,688.68 and 14,296.46

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Solution

The fourth proportional to 31,814.33, 47,688.68 and 14,296.46 is: 21,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.33 : 47,688.68 = 14,296.46 : x
  2. Step 2: Convert to fraction form
    31,814.33/47,688.68 = 14,296.46/x
  3. Step 3: Cross multiply
    31,814.33x = 47,688.68 × 14,296.46
  4. Step 4: Simplify right side
    31,814.33x = 681,778,996.15
  5. Step 5: Solve for x
    x = 681,778,996.15/31,814.33
  6. Step 6: Final answer
    x = 21,429.94

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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.