Home / 34,213.43-51,312.81-19,972.42

Finding the Fourth Proportional to 34,213.43, 51,312.81 and 19,972.42

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Solution

The fourth proportional to 34,213.43, 51,312.81 and 19,972.42 is: 29,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,213.43 : 51,312.81 = 19,972.42 : x
  2. Step 2: Convert to fraction form
    34,213.43/51,312.81 = 19,972.42/x
  3. Step 3: Cross multiply
    34,213.43x = 51,312.81 × 19,972.42
  4. Step 4: Simplify right side
    34,213.43x = 1,024,840,992.70
  5. Step 5: Solve for x
    x = 1,024,840,992.70/34,213.43
  6. Step 6: Final answer
    x = 29,954.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.