Home / 34,168.92-47,151.96-20,021.46

Finding the Fourth Proportional to 34,168.92, 47,151.96 and 20,021.46

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Solution

The fourth proportional to 34,168.92, 47,151.96 and 20,021.46 is: 27,628.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,168.92 : 47,151.96 = 20,021.46 : x
  2. Step 2: Convert to fraction form
    34,168.92/47,151.96 = 20,021.46/x
  3. Step 3: Cross multiply
    34,168.92x = 47,151.96 × 20,021.46
  4. Step 4: Simplify right side
    34,168.92x = 944,051,081.06
  5. Step 5: Solve for x
    x = 944,051,081.06/34,168.92
  6. Step 6: Final answer
    x = 27,628.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.