Home / 34,151.14-47,128.80-20,004.09

Finding the Fourth Proportional to 34,151.14, 47,128.80 and 20,004.09

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Solution

The fourth proportional to 34,151.14, 47,128.80 and 20,004.09 is: 27,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,151.14 : 47,128.80 = 20,004.09 : x
  2. Step 2: Convert to fraction form
    34,151.14/47,128.80 = 20,004.09/x
  3. Step 3: Cross multiply
    34,151.14x = 47,128.80 × 20,004.09
  4. Step 4: Simplify right side
    34,151.14x = 942,768,756.79
  5. Step 5: Solve for x
    x = 942,768,756.79/34,151.14
  6. Step 6: Final answer
    x = 27,605.78

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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.