Home / 34,507.19-47,620.12-19,399.71

Finding the Fourth Proportional to 34,507.19, 47,620.12 and 19,399.71

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Solution

The fourth proportional to 34,507.19, 47,620.12 and 19,399.71 is: 26,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,507.19 : 47,620.12 = 19,399.71 : x
  2. Step 2: Convert to fraction form
    34,507.19/47,620.12 = 19,399.71/x
  3. Step 3: Cross multiply
    34,507.19x = 47,620.12 × 19,399.71
  4. Step 4: Simplify right side
    34,507.19x = 923,816,469.67
  5. Step 5: Solve for x
    x = 923,816,469.67/34,507.19
  6. Step 6: Final answer
    x = 26,771.71

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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.