Home / 34,387.32-47,459.82-19,286.09

Finding the Fourth Proportional to 34,387.32, 47,459.82 and 19,286.09

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Solution

The fourth proportional to 34,387.32, 47,459.82 and 19,286.09 is: 26,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,387.32 : 47,459.82 = 19,286.09 : x
  2. Step 2: Convert to fraction form
    34,387.32/47,459.82 = 19,286.09/x
  3. Step 3: Cross multiply
    34,387.32x = 47,459.82 × 19,286.09
  4. Step 4: Simplify right side
    34,387.32x = 915,314,122.60
  5. Step 5: Solve for x
    x = 915,314,122.60/34,387.32
  6. Step 6: Final answer
    x = 26,617.78

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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.