Home / 34,129.35-47,092.79-19,018.70

Finding the Fourth Proportional to 34,129.35, 47,092.79 and 19,018.70

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Solution

The fourth proportional to 34,129.35, 47,092.79 and 19,018.70 is: 26,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.35 : 47,092.79 = 19,018.70 : x
  2. Step 2: Convert to fraction form
    34,129.35/47,092.79 = 19,018.70/x
  3. Step 3: Cross multiply
    34,129.35x = 47,092.79 × 19,018.70
  4. Step 4: Simplify right side
    34,129.35x = 895,643,633.85
  5. Step 5: Solve for x
    x = 895,643,633.85/34,129.35
  6. Step 6: Final answer
    x = 26,242.62

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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.