Home / 34,769.67-47,984.91-19,665.51

Finding the Fourth Proportional to 34,769.67, 47,984.91 and 19,665.51

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Solution

The fourth proportional to 34,769.67, 47,984.91 and 19,665.51 is: 27,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,769.67 : 47,984.91 = 19,665.51 : x
  2. Step 2: Convert to fraction form
    34,769.67/47,984.91 = 19,665.51/x
  3. Step 3: Cross multiply
    34,769.67x = 47,984.91 × 19,665.51
  4. Step 4: Simplify right side
    34,769.67x = 943,647,727.45
  5. Step 5: Solve for x
    x = 943,647,727.45/34,769.67
  6. Step 6: Final answer
    x = 27,139.97

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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.