Home / 34,768.81-47,977.99-19,659.37

Finding the Fourth Proportional to 34,768.81, 47,977.99 and 19,659.37

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Solution

The fourth proportional to 34,768.81, 47,977.99 and 19,659.37 is: 27,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,768.81 : 47,977.99 = 19,659.37 : x
  2. Step 2: Convert to fraction form
    34,768.81/47,977.99 = 19,659.37/x
  3. Step 3: Cross multiply
    34,768.81x = 47,977.99 × 19,659.37
  4. Step 4: Simplify right side
    34,768.81x = 943,217,057.27
  5. Step 5: Solve for x
    x = 943,217,057.27/34,768.81
  6. Step 6: Final answer
    x = 27,128.25

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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.