Home / 47,908.26-71,870.83-19,812.57

Finding the Fourth Proportional to 47,908.26, 71,870.83 and 19,812.57

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Solution

The fourth proportional to 47,908.26, 71,870.83 and 19,812.57 is: 29,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908.26 : 71,870.83 = 19,812.57 : x
  2. Step 2: Convert to fraction form
    47,908.26/71,870.83 = 19,812.57/x
  3. Step 3: Cross multiply
    47,908.26x = 71,870.83 × 19,812.57
  4. Step 4: Simplify right side
    47,908.26x = 1,423,945,531.29
  5. Step 5: Solve for x
    x = 1,423,945,531.29/47,908.26
  6. Step 6: Final answer
    x = 29,722.34

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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.