Home / 31,628.92-47,373.38-20,501.94

Finding the Fourth Proportional to 31,628.92, 47,373.38 and 20,501.94

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Solution

The fourth proportional to 31,628.92, 47,373.38 and 20,501.94 is: 30,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.92 : 47,373.38 = 20,501.94 : x
  2. Step 2: Convert to fraction form
    31,628.92/47,373.38 = 20,501.94/x
  3. Step 3: Cross multiply
    31,628.92x = 47,373.38 × 20,501.94
  4. Step 4: Simplify right side
    31,628.92x = 971,246,194.36
  5. Step 5: Solve for x
    x = 971,246,194.36/31,628.92
  6. Step 6: Final answer
    x = 30,707.54

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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.