Home / 34,507.17-47,619.61-19,399.90

Finding the Fourth Proportional to 34,507.17, 47,619.61 and 19,399.90

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Solution

The fourth proportional to 34,507.17, 47,619.61 and 19,399.90 is: 26,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,507.17 : 47,619.61 = 19,399.90 : x
  2. Step 2: Convert to fraction form
    34,507.17/47,619.61 = 19,399.90/x
  3. Step 3: Cross multiply
    34,507.17x = 47,619.61 × 19,399.90
  4. Step 4: Simplify right side
    34,507.17x = 923,815,575.04
  5. Step 5: Solve for x
    x = 923,815,575.04/34,507.17
  6. Step 6: Final answer
    x = 26,771.70

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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.