Home / 47,809.39-71,711.32-18,230.21

Finding the Fourth Proportional to 47,809.39, 71,711.32 and 18,230.21

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Solution

The fourth proportional to 47,809.39, 71,711.32 and 18,230.21 is: 27,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,809.39 : 71,711.32 = 18,230.21 : x
  2. Step 2: Convert to fraction form
    47,809.39/71,711.32 = 18,230.21/x
  3. Step 3: Cross multiply
    47,809.39x = 71,711.32 × 18,230.21
  4. Step 4: Simplify right side
    47,809.39x = 1,307,312,422.98
  5. Step 5: Solve for x
    x = 1,307,312,422.98/47,809.39
  6. Step 6: Final answer
    x = 27,344.26

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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.