Home / 47,143.29-70,668.23-22,138.58

Finding the Fourth Proportional to 47,143.29, 70,668.23 and 22,138.58

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Solution

The fourth proportional to 47,143.29, 70,668.23 and 22,138.58 is: 33,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,143.29 : 70,668.23 = 22,138.58 : x
  2. Step 2: Convert to fraction form
    47,143.29/70,668.23 = 22,138.58/x
  3. Step 3: Cross multiply
    47,143.29x = 70,668.23 × 22,138.58
  4. Step 4: Simplify right side
    47,143.29x = 1,564,494,329.29
  5. Step 5: Solve for x
    x = 1,564,494,329.29/47,143.29
  6. Step 6: Final answer
    x = 33,185.94

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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.