Home / 47,721.59-71,582.36-14,440.89

Finding the Fourth Proportional to 47,721.59, 71,582.36 and 14,440.89

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Solution

The fourth proportional to 47,721.59, 71,582.36 and 14,440.89 is: 21,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.59 : 71,582.36 = 14,440.89 : x
  2. Step 2: Convert to fraction form
    47,721.59/71,582.36 = 14,440.89/x
  3. Step 3: Cross multiply
    47,721.59x = 71,582.36 × 14,440.89
  4. Step 4: Simplify right side
    47,721.59x = 1,033,712,914.50
  5. Step 5: Solve for x
    x = 1,033,712,914.50/47,721.59
  6. Step 6: Final answer
    x = 21,661.33

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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.